TY  - BOOK
AU  - Kummel,Bernhard, x
AU  - x
TI  - History  of  the  earth: An  introduction  to    historical   geology
SN  - x
U1  - 551.7/KUH 
PY  - 1968///
CY  - New   Delhi
PB  - Eurasia Pub  House
KW  - Geology
KW  - Earth
ER  -