TY  - BOOK
AU  - Kummel,Bernhard
TI  - History of the earth: an introduction to historical geology 
U1  - 551.7 
PY  - 1961///
CY  - New Delhi
PB  - Eurasia Pub.
KW  - Geology, Stratigraphic
KW  - Paleontology
KW  - Earth
N1  - Includes index
ER  -