RT Journal Article SR Electronic T1 The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years JF American Journal of Science JO Am J Sci FD American Journal of Science SP 641 OP 683 DO 10.2475/ajs.283.7.641 VO 283 IS 7 A1 Berner, Robert A. A1 Lasaga, Antonio C. A1 Garrels, Robert M. YR 1983 UL http://www.ajsonline.org/content/283/7/641.abstract AB