The early evolution of life:  solution to Darwin's dilemma.
Schopf
J W
JW
Dept of Earth & Space Sciences, University of California, Los Angeles 90024, USA.
D001419:Bacteria; D005075:Biological Evolution; D005057:Eukaryotic Cells / Q000502:physiology; D005580:Fossils; D019015:Geologic Sediments / Q000032:analysis / Q000382:microbiology; D010163:Paleontology; D011387:Prokaryotic Cells / Q000502:physiology