TY  - BOOK
AU  - Valdiya,K.S.
TI  - Environmental geology:  Indian context 
SN  - 0 07 451971 9
U1  - 551 
PY  - 1987///
CY  - Delhi
PB  - Tata MacGrow-Hill
KW  - Geology -
KW  - Geologgy,hydrology,meterology - India,Geology - India, Environment Studies -
N1  - Includes bibliographical references and index
ER  -