J.R. Petit, J. Jouzel, D. Raynaud, N.I. Barkov, J.M. Barnola,
I. Basile, M. Bender, J. Chappellaz, M. Davis, G. Delaygue, M.
Delmotte, V.M. Kotlyakov, M. Legrand, V.Y. Lipenkov, C. Lorius,
L. Pepin, C. Ritz, E. Saltzman, M. Stievenard. Climate and atmospheric
history of the past 420,000 years from the Vostok icecore, Antarctica.
Nature, 399 (6735): 429-436, Jun. 3, 1999.