共 14 条
[1]
ARTHUR MA, 1991, GEOL SOC ANN M, pA178
[3]
ATMOSPHERIC CARBON-DIOXIDE LEVELS OVER PHANEROZOIC TIME
[J].
SCIENCE,
1990, 249 (4975)
:1382-1386
[6]
FREEMAN KH, IN PRESS GLOBAL BIOG
[7]
HOLLANDER DJ, 1991, GEOLOGY, V19, P929, DOI 10.1130/0091-7613(1991)019<0929:CCOCIF>2.3.CO
[8]
2