TY  - BOOK
AU  - Rankama, Kalervo
TI  - The quaternary- Volume 2
U1  - 551.71 DDC 21
PY  - 1967///
CY  - New York
PB  - Interscience publishers
KW  - Geology
KW  - Stratigraphic Geology
KW  - Proterozoic geologic period
KW  - Precambrian geologic period
N1  - The geologic systems
ER  -