TY  - BOOK
AU  - Dayal, Dr. Parmeshwar Dayal
TI  - Bhoo-Aakriti Vigyan
U1  - 551.4 
PY  - 1986///
CY  - Patna
PB  - Shukla Book Depot
KW  - Pure Sciences
KW  - Science of the earth and other worlds
KW  - Geomorphology
ER  -