TY  - BOOK
AU  - Kummel,Bernhard
TI  - History of the earth: an introduction to historical geology
SN  - 0716702495
AV  - QE 651 .K86 1970
PY  - 1970///]
CY  - San Francisco
PB  - W. H. Freeman
KW  - Historical geology
N1  - includes appendix, index
ER  -