TY - GEN AU - Berner,R A AU - Canfield,D E TI - A new model for atmospheric oxygen over Phanerozoic time SN - 0002-9599 PY - 1999///0909 KW - Atmosphere KW - chemistry KW - Carbon KW - analysis KW - Earth, Planet KW - Evolution, Planetary KW - Geologic Sediments KW - Models, Chemical KW - Oxygen KW - Paleontology KW - Sulfur N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.2475/ajs.289.4.333 ER -