(Q47794909)
Statements
1 reference
Paleobiology of a Precambrian Shale: Geology, organic geochemistry, and paleontology are applied to the problem of detection of ancient life (English)
1 reference
Barghoorn ES
1 reference
Meinschein WG
1 reference
Schopf JW
1 reference
1 April 1965
1 reference
1 reference
148
1 reference
3669
1 reference
461-472
1 reference