TY  - BOOK
AU  - RAO,RAMESH K.S.
TI  - EARTH'S DYNAMIC SYSTEMS, 6th ed / 
U1  - 550 
PY  - 1992///
CY  - [S.N] : 
PB  - MACMILLAN PUBLISHING COMPANY ، 
KW  - PHYSICAL GEOLOGY
ER  -