Vol. 268, Issue 3, 1970March 01, 1970 EDT
Phanerozoic Glaciation and the Causes of Ice Ages
Phanerozoic Glaciation and the Causes of Ice Ages
John C. Crowell, Lawrence A. Frakes,
Crowell, J. C., & Frakes, L. A. (1970). Phanerozoic glaciation and the causes of ice ages. American Journal of Science, 268(3), 193–224. https://doi.org/10.2475/ajs.268.3.193