TY  - BOOK
TI  -  The Precambrian / 
U1  -  551.71 
PY  - 1963///-65
CY  -  New York : 
PB  -  Interscience Publishers, 
KW  -  Rankama, Kalervo, 
KW  -  Geology, Stratigraphic
KW  -  Pre-Cambrian
ER  -