TY  - GEN
AU  - Ponnamperuma, Cyril
TI  - CHEMICAL EVOLUTION OF THE EARLY PRE-CAMBRIAN
U1  - 551.712 
PY  - 1977///
CY  - New York
PB  - Academic Press
KW  - Geology, Stratigraphic -- Pre-Cambrian
KW  - Paleontology -- Precambrian
KW  - Geochemistry
N1  - Includes References; Organized By The Laboratory Of Chemical Evolution, University Of Maryland
ER  -