Zachos, JC, Röhl, U, Schellenberg, SA, Sluijs, A, Hodell, DA, Kelly, DC, Thomas, E, Nicolo, MJ, Raffi, I, Lourens, LJ, McCarren, H and Kroon, D (2005) Rapid Acidification of the Ocean During the Paleocene-Eocene Thermal Maximum. Science, 308(5728). 1611-1615. doi:10.1126/science.1109004
Kroon, D, Zachos, JC, Blum, P, Bowles, J, Gailott, P, Hasegawa, T, Hathorne, EC, Hodell, DA, Kelly, DC, Jung, JH, Keller, SM, Lee, YS, Leuschner, DC, Kyger, ZL, Lohmann, C, Lourens, LJ, Monechi, S, Nicolo, M, Raffi, I, Riesselman, C, Röhl, U, Schellenberg, SA, Schmidt, D, Sluijs, A, Thomas, D and Vallius, H (2007) Leg 208 synthesis: Cenozoic climate cycles and excursions. In: Kroon, D, Zachos, JC and Richter, C (eds.) Proceedings of the Ocean Drilling Program. Scientific Results, 208. College Station, TX (Ocean Drilling Program), 1-55. doi:10.2973/odp.proc.sr.208.201.2007