Stinnesbeck, W., G. Keller, T. Adatte, D. Stüben, U. Kramar, Z. Berner, C. Desremeaux, and E. Moliere. (1999) 1999. “Beloc, Haiti, Revisited: Multiple Events across the KT Boundary in the Caribbean”. Terra Nova 11 (6): 303-10. doi:10.1046/j.1365-3121.1999.00263.x.

Keller, G., W. Stinnesbeck, T. Adatte, B. Holland, D. Stüben, M. Harting, C.d. Leon, and J.d. Cruz. (2003) 2003. “Spherule Deposits in Cretaceous-Tertiary Boundary Sediments in Belize and Guatemala”. Journal of the Geological Society 160 (5): 783-95. doi:10.1144/0016-764902-119.

Keller, G., T. Adatte, W. Stinnesbeck, M. Rebolledo-Vieyra, Urrutia Fucugauchi, U. Kramar, and D. Stüben. (2005) 2004. “Chicxulub Impact Predates the K-T Boundary Mass Extinction”. Proceedings of the National Academy of Sciences 101 (11): 3753-58. doi:10.1073/pnas.0400396101.

Stüben, D., U. Kramar, M. Harting, W. Stinnesbeck, and G. Keller. (2005) 2005. “High-Resolution Geochemical Record of Cretaceous-Tertiary Boundary Sections in Mexico: New Constraints on the K T and Chicxulub Events”. Geochimica Et Cosmochimica Acta 69 (10): 2559-79. doi:10.1016/j.gca.2004.11.003.

Stüben, D., U. Kramar, Z.A. Berner, M. Meudt, G. Keller, S. Abramovich, T. Adatte, U. Hambach, and W. Stinnesbeck. (2003) 2003. “Late Maastrichtian Paleoclimatic and Paleoceanographic Changes Inferred from Sr Ca Ratio and Stable Isotopes”. Palaeogeography, Palaeoclimatology, Palaeoecology 199 (1-2): 107-27. doi:10.1016/S0031-0182(03)00499-1.

Schulte, P., W. Stinnesbeck, D. Stüben, U. Kramar, Z. Berner, G. Keller, and T. Adatte. 2003. “Fe-Rich and K-Rich Mafic Spherules from Slumped and Channelized Chicxulub Ejecta Deposits in the Northern La Sierrita Area, NE Mexico”. International Journal of Earth Sciences 92: 114-42. doi:10.1007/s00531-002-0304-9.

Keller, G., T. Adatte, AAAM Tantawy, Z. Berner, W. Stinnesbeck, D. Stüben, and H.A. Leanza. (2007) 2007. “High Stress Late Maastrichtian – Early Danian Palaeoenvironment in the Neuquén Basin, Argentina”. Cretaceous Research 28 (6): 939-60. doi:10.1016/j.cretres.2007.01.006.

Gertsch, B., G. Keller, T. Adatte, Z. Berner, A. Kassab, AAAM Tantawy, A. El-Sabbagh, and D. Stüben. (2010) 2008. “Cenomanian–Turonian Transition in a Shallow Water Sequence of the Sinai, Egypt”. International Journal of Earth Sciences 99 (1): 165-82. doi:10.1007/s00531-008-0374-4.

Keller, G., T. Adatte, Z. Berner, E.H. Chellai, and D. Stüben. (2008) 2008. “Oceanic Events and Biotic Effects of the Cenomanian-Turonian Anoxic Event, Tarfaya Basin, Morocco”. Cretaceous Research 29 (5-6): 976-94. doi:10.1016/j.cretres.2008.05.020.