Lu, G., and G. Keller. (2026) 1995. “Planktic Foraminiferal Faunal Turnovers in the Subtropical Pacific During the Late Paleocene to Early Eocene”. The Journal of Foraminiferal Research 25: 97–116. doi:10.2113/gsjfr.25.2.97. Reference Link
Lu, G., and G. Keller. (2026) 1995. “Ecological Stasis and Saltation: Species Richness Change in Planktic Foraminifera During the Late Paleocene to Early Eocene, (DSDP) Site 577”. Palaeogeography, Palaeoclimatology, Palaeoecology 117: 211–227. doi:10.1016/0031-0182(94)00125-r. Reference Link