Bitchong, André Mbabi, Thierry Adatte, S. Ngos III, Gerta Keller, Ali Uygar Karabeyoğlu, and Jorge E. Spangenberg. 2023. “The Paleocene-Eocene Transition in the Gulf of Guinea: Evidence of the PETM in the Douala Basin, Cameroon”. Marine and Petroleum Geology. Elsevier Ltd. doi:10.1016/j.marpetgeo.2023.106504.

Khozyem, Hassan, Thierry Adatte, and Gerta Keller. 2023. “Climatic and Environmental Changes During Paleocene-Eocene Thermal Maximum in Egypt: An Overview”. Advances in Science, Technology and Innovation. Springer Nature. doi:10.1007/978-3-030-95637-0_12.

Keller, Gerta. 2021. “Erratum to ‘Mercury Linked to Deccan Traps Volcanism, Climate Change and the End-Cretaceous Mass Extinction. Volume 194, 103312’ (Global and Planetary Change (2020) 194, (S0921818120302034), (10.1016 j.Gloplacha.2020.103312))”. Global and Planetary Change. Elsevier B.V. doi:10.1016/j.gloplacha.2020.103388.

Bermúdez, Hermann, Jenny García, Wolfgang Stinnesbeck, Gerta Keller, José Rodríguez, Michael Hanel, Jens Hopp, et al. 2016. “The Cretaceous–Palaeogene Boundary at Gorgonilla Island, Colombia, South America”. Terra Nova 28: 83-90. doi:10.1111/ter.12196.

Sanders, Diethard, Gerta Keller, Felix Schlagintweit, and Martin Studeny. 2019. “Cretaceous-Paleocene Transition Along a Rocky Carbonate Shore: Implications for the Cretaceous-Paleocene Boundary Event in Shallow Platform Environments and Correlation to the Deep Sea”. In Mass Extinctions, Volcanism, and Impacts: New Developments. Geological Society of America. doi:10.1130/2019.2544(06).

Keller, Gerta, Marie-Pierre Bolle, and Thierry Adatte. 1998. “Biostratigraphy, Mineralogy and Geochemistry of the Trabakua Pass and Ermua Sections in Spain : Paleocene-Eocene Transitions”. doi:10.5169/seals-168405.

Keller, Gerta, Liangquan Li, Wolfgang Stinnesbeck, and Ed Vicenzi. 1998. “The K T Mass Extinction, Chicxulub and the Impact-Kill Effect”. Bulletin De La Société Géologique De France 169: 485.

Bolle, Marie, Thierry Adatte, Gerta Keller, Katharina von Salis, and Steve Burns. 1999. “The Paleocene-Eocene Transition in the Southern Tethys (Tunisia); Climatic and Environmental Fluctuations”. Bulletin De La Société Géologique De France 170: 661.

Stinnesbeck, Wolfgang, Christina Ifrim, Harald Schmidt, Anja Rindfleisch, Marie-Céline Buchy, Lionel Cavin, Gerta Keller, et al. (2005) 2005. “A New Lithographic Limestone Deposit in the Upper Cretaceous Austin Group at El Rosario, County of Múzquiz, Coahuila, Northeastern Mexico”. Revista Mexicana De Ciencias geológicas, ISSN 1026-8774, Vol. 22, Nº. 3, 2005, Pags. 401-418 22.

Keller, Gerta, and N. MacLeod. 1991. “Faunal Turnover and Depth Stratification: Their Relationships to Climate and Productivity Events in the Eocene to Miocene Pelagic Realm - Internet”. In In Centenary of Japanese Micropaleontology, K. Ishizaki and T. Saito Eds. Toyoto: Terra Scientific Publishing Company. Referenced from www.terrapub.co.jp: Faunal turnover and depth stratification: Their relationships to climate and productivity events in the Eocene to Miocene pelagic realm - Internet.

Adatte, Thierry, Wolfgang Stinnesbeck, and Gerta Keller. 1996. “Lithostratigraphic and Mineralogic Correlations of Near K T Boundary Clastic Sediments in Northeastern Mexico: Implications for Origin and Nature of Deposition”. Geological Society of America Special Papers 307: 211-26. doi:10.1130/0-8137-2307-8.211.

Schoene, Blair, Kyle Samperton, Michael Eddy, Gerta Keller, Thierry Adatte, Samuel Bowring, Syed Khadri, and BRIAN GERTSCH. 2015. “U-Pb Geochronology of the Deccan Traps and Relation to the End-Cretaceous Mass Extinction”. Science 347: 182–184. doi:10.1126/science.aaa0118.

Mateo, Paula, Gerta Keller, and Jahnavi Punekar. 2015. “Early to Late Maastrichtian Environmental Changes Linked to Deccan Traps and Ninetyeast Ridge Volcanism: Case Study of the Indian Ocean.”

Li, Liangquan, and Gerta Keller. (1999) 1999. “Variability in Late Cretaceous Climate and Deep Waters: Evidence from Stable Isotopes”. Marine Geology 161 (2-4): 171-90. doi:10.1016/S0025-3227(99)00078-X.

Keller, Gerta, Thierry Adatte, Wolfgang Stinnesbeck, Doris üben, Utz Kramar, ZSOLT BERNER, Liangquan Li, and Katharina Perch-Nielsen. (1997) 1997. “The Cretaceous-Tertiary Transition on the Shallow Saharan Platform of Southern Tunisia”. Geobios 30 (7): 951-75. doi:10.1016/S0016-6995(97)80218-5.

Li, Liangquan, and Gerta Keller. 1998. “Abrupt Deep-Sea Warming at the End of the Cretaceous”. Geology 26: 995-98. doi:10.1130/0091-7613(1998)026<0995:ADSWAT>2.3.CO;2.

Li, Liangquan, and Gerta Keller. (1998) 1998. “Maastrichtian Climate, Productivity and Faunal Turnovers in Planktic Foraminifera in South Atlantic DSDP Sites 525A and 21”. Marine Micropaleontology 33 (1-2): 55-86. doi:10.1016/S0377-8398(97)00027-3.

Keller, Gerta, Thierry Adatte, Wolfgang Stinnesbeck, Doris üben, ZSOLT BERNER, Utz Kramar, and Markus Harting. (2004) 2004. “More Evidence That the Chicxulub Impact Predates the K T Mass Extinction”. Meteoritics & Planetary Science 39 (7): 1127-44. doi:10.1111/maps.2004.39.issue-710.1111/j.1945-5100.2004.tb01133.x.

Keller, Gerta, Thierry Adatte, ZSOLT BERNER, Markus Harting, Gerald Baum, Michael Prauss, Abdel Tantawy, and Doris Stüben. (2007) 2007. “Chicxulub Impact Predates K–T Boundary: New Evidence from Brazos, Texas”. Earth and Planetary Science Letters 255 (3-4): 339-56. doi:10.1016/j.epsl.2006.12.026.

Keller, Gerta, and Alfonso Pardo. (2004) 2004. “Disaster Opportunists Guembelitrinidae: Index for Environmental Catastrophes”. Marine Micropaleontology 53 (1-2): 83-116. doi:10.1016/j.marmicro.2004.04.012.

Stinnesbeck, Wolfgang, Gerta Keller, Thierry Adatte, Markus Harting, Doris Stüben, Georg Istrate, and Utz Kramar. (2004) 2004. “Yaxcopoil-1 and the Chicxulub Impact”. International Journal of Earth Sciences 93 (6): 1042-65. doi:10.1007/s00531-004-0431-6.

Abramovich, Sigal, and Gerta Keller. (2003) 2003. “Planktonic Foraminiferal Response to the Latest Maastrichtian Abrupt Warm Event: A Case Study from South Atlantic DSDP Site 525A”. Marine Micropaleontology 48 (3-4): 225-49. doi:10.1016/S0377-8398(03)00021-5.

Abramovich, Sigal, Gerta Keller, Doris üben, and ZSOLT BERNER. (2003) 2003. “Characterization of Late Campanian and Maastrichtian Planktonic Foraminiferal Depth Habitats and Vital Activities Based on Stable Isotopes”. Palaeogeography, Palaeoclimatology, Palaeoecology 202 (1-2): 1-29. doi:10.1016/S0031-0182(03)00572-8.

Stinnesbeck, Wolfgang, Gerta Keller, Peter Schulte, Doris üben, ZSOLT BERNER, Utz Kramar, and Guadalupe Lopez-Oliva. (2002) 2002. “The Cretaceous–Tertiary (K T) Boundary Transition at Coxquihui, State of Veracruz, Mexico: Evidence for an Early Danian Impact Event?”. Journal of South American Earth Sciences 15 (5): 497-509. doi:10.1016/S0895-9811(02)00079-2.

Keller, Gerta, and Thierry Adatte. 2005. “Basinward Transport of Chicxulub Ejecta by Tsunami-Induced Backflow, La Popa Basin, NE Mexico: COMMENT”. Geology 33: e88. doi:10.1130/0091-7613-33.1.e88.

Abramovich, Sigal, and Gerta Keller. (2002) 2002. “High Stress Late Maastrichtian Paleoenvironment: Inference from Planktonic Foraminifera in Tunisia”. Palaeogeography, Palaeoclimatology, Palaeoecology 178 (3-4): 145-64. doi:10.1016/S0031-0182(01)00394-7.

Stüben, Doris, Utz Kramar, ZSOLT BERNER, Jörg-Detlef Eckhardt, Wolfgang Stinnesbeck, Gerta Keller, Thierry Adatte, and Klaus Heide. 2002. Special Paper 356: Two Anomalies of Platinum Group Elements above the Cretaceous-Tertiary Boundary at Beloc, Haiti: Geochemical Context and Consequences for the Impact Scenario. Vol. 356. Geological Society of America. doi:10.1130/0-8137-2356-610.1130/0-8137-2356-6.163.

Keller, Gerta, Thierry Adatte, Wolfgang Stinnesbeck, Mark Affolter, Lionel Schilli, and Jose Lopez-Oliva. 2002. Special Paper 356: Multiple Spherule Layers in the Late Maastrichtian of Northeastern Mexico. Vol. 356. Geological Society of America. doi:10.1130/0-8137-2356-610.1130/0-8137-2356-6.145.

Keller, Gerta, Thierry Adatte, W. Stinnesbeck, Valeria Luciani, Narjess Karoui-Yaakoub, and Dalila Zaghbib-Turki. (2002) 2002. “Paleoecology of the Cretaceous–Tertiary Mass Extinction in Planktonic Foraminifera”. Palaeogeography, Palaeoclimatology, Palaeoecology 178 (3-4): 257-97. doi:10.1016/S0031-0182(01)00399-6.

Keller, Gerta. (2005) 2005. “Biotic Effects of Late Maastrichtian Mantle Plume Volcanism: Implications for Impacts and Mass Extinctions”. Lithos 79 (3-4): 317-41. doi:10.1016/j.lithos.2004.09.005.

Haydon, Mort, Thierry Adatte, Gerta Keller, David Bartels, Karl Föllmi, Philipp Steinmann, Zsolt Berner, and E.H. Chellai. (2008) 2008. “Organic Carbon Deposition and Phosphorus Accumulation During Oceanic Anoxic Event 2 in Tarfaya, Morocco”. Cretaceous Research 29 (5-6): 1008-23. doi:10.1016/j.cretres.2008.05.026.

Keller, Gerta, and Thierry Adatte. 2011. The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas. SEPM Society for Sedimentary Geology. doi:10.2110/sepmsp.100.

Keller, Gerta, Howard Armstrong, Vicent Courtillot, David Harper, Michael Joachimski, Andrew Kerr, Norman MacLeod, William Napier, József Palfy, and Paul Wignall. 2012. “Volcanism, Impacts and Mass Extinctions (Long Version)”. London: The Geological Society. Referenced from www.geolsoc.org.uk: Volcanism, impacts and mass extinctions (Long Version).

Keller, Gerta. 2012. “The Cretaceous–Tertiary Mass Extinction, Chicxulub Impact, and Deccan Volcanism”. In Earth and Life, 759-93. Dordrecht: Springer Netherlands. doi:10.1007/978-90-481-3428-110.1007/978-90-481-3428-1_25.

Keller, Gerta, Qi Han, Thierry Adatte, and Stephen Burns. (2001) 2001. “Palaeoenvironment of the Cenomanian–Turonian Transition at Eastbourne, England”. Cretaceous Research 22 (4): 391-422. doi:10.1006/cres.2001.0264.

Keller, Gerta, ZSOLT BERNER, Thierry Adatte, and Doris Stüben. (2004) 2004. “Cenomanian–Turonian and δ13C, and δ18O, Sea Level and Salinity Variations at Pueblo, Colorado”. Palaeogeography, Palaeoclimatology, Palaeoecology 211 (1-2): 19-43. doi:10.1016/j.palaeo.2004.04.003.

Adatte, Thierry, Gerta Keller, Doris Stüben, Markus Harting, Utz Kramar, Wolfgang Stinnesbeck, Sigal Abramovich, and Chaim Benjamini. 2005. “Late Maastrichtian and K T Paleoenvironment of the Eastern Tethys (Israel): Mineralogy, Trace and Platinum Group Elements, Biostratigraphy and Faunal Turnovers”. Bulletin De La Societe Geologique De France 176: 37-55. doi:10.2113/176.1.37.

Keller, Gerta. (1993) 1993. “The Cretaceous-Tertiary Boundary Transition in the Antarctic Ocean and Its Global Implications”. Marine Micropaleontology 21 (1-3): 1-45. doi:10.1016/0377-8398(93)90010-U.

Keller, Gerta. (2001) 2001. “The End-Cretaceous Mass Extinction in the Marine Realm: Year 2000 Assessment”. Planetary and Space Science 49 (8): 817-30. doi:10.1016/S0032-0633(01)00032-0.

Keller, Gerta. (2003) 2002. “Guembelitria-Dominated Late Maastrichtian Planktic Foraminiferal Assemblages Mimic Early Danian in Central Egypt”. Marine Micropaleontology 47 (1-2): 71-99. doi:10.1016/S0377-8398(02)00116-0.

Keller, Gerta, Thierry Adatte, Wolfgang Stinnesbeck, Doris üben, and ZSOLT BERNER. (2001) 2001. “Age, Chemo- and Biostratigraphy of Haiti Spherule-Rich Deposits: A Multi-Event K–T Scenario”. Canadian Journal of Earth Sciences 38 (2): 197-227. doi:10.1139/cjes-38-2-197.

Keller, Gerta, Thierry Adatte, Stephen Burns, and Abdel Tantawy. (2002) 2002. “High-Stress Paleoenvironment During the Late Maastrichtian to Early Paleocene in Central Egypt”. Palaeogeography, Palaeoclimatology, Palaeoecology 187 (1-2): 35-60. doi:10.1016/S0031-0182(02)00504-7.

Keller, Gerta, ed. 2014. “Deccan Volcanism, the Chicxulub Impact, and the End-Cretaceous Mass Extinction: Coincidence? Cause and Effect?”. In Volcanism, Impacts, and Mass Extinctions: Causes and Effects, GSA Special Papers. Vol. 505. Boulder: Geological Society of America. doi:10.1130/2014.2505(03).

Punekar, Jahnavi, Paula Mateo, and Gerta Keller. 2014. “Effects of Deccan Volcanism on Paleoenvironment and Planktic Foraminifera: A Global Survey”. Geological Society of America Special Papers 505. doi:10.1130/2014.2505(04).

Punekar, Jahnavi, Gerta Keller, Hassan Khozyem, Carl Hamming, Thierry Adatte, AAAM Tantawy, and Jorge Ponte. (2014) 2014. “Late Maastrichtian–early Danian High-Stress Environments and Delayed Recovery Linked to Deccan Volcanism”. Cretaceous Research 49: 63-82. doi:10.1016/j.cretres.2014.01.002.

Keller, Gerta. 2011. “The Cretaceous-Tertiary Mass Extinction: Theories and Controversies”. In End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas, Special Publication, No. 100:7-22. Tulsa: SEPM (Society for Sedimentary Geology).

Keller, Gerta, and Sigal Abramovich. (2009) 2009. “Lilliput Effect in Late Maastrichtian Planktic Foraminifera: Response to Environmental Stress”. Palaeogeography, Palaeoclimatology, Palaeoecology 284 (1-2): 47-62. doi:10.1016/j.palaeo.2009.08.029.

Keller, Gerta. (2008) 2008. “Cretaceous Climate, Volcanism, Impacts, and Biotic Effects”. Cretaceous Research 29 (5-6): 754-71. doi:10.1016/j.cretres.2008.05.030.

Pardo, Alfonso, and Gerta Keller. (2008) 2008. “Biotic Effects of Environmental Catastrophes at the End of the Cretaceous and Early Tertiary: Guembelitria and Heterohelix Blooms”. Cretaceous Research 29 (5-6): 1058-73. doi:10.1016/j.cretres.2008.05.031.

Keller, Gerta. 2008. “Impact Stratigraphy: Old Principle, New Reality”. Geological Society of America Special Papers 437: 147-78. doi:10.1130/2008.2437(09).