TY  - BOOK
AU  - Valdya, K.S.
TI  - Environmental geology: ecology, resource and hazard management 
SN  - 9781259058639
U1  - 301.31 22
PY  - 2013///
CY  - New delhi
PB  - McGraw-Hill education
KW  - Engineering geology
KW  - Environmental geology
KW  - Human beings
KW  - Effect of environment on
KW  - Nature
KW  - Effect of human beings on
N1  - Includes bibliographies and indexes
ER  -