共 110 条
[72]
OPREN JL, 1981, NATURE, V291, P2180
[74]
SCHOPF J W, 1971, Journal of Paleontology, V45, P477
[75]
Schopf J.W., 1983, P214
[76]
Schopf J.W., 1992, PROTEROZOIC BIOSPHER, P25