TY  - BOOK
AU  - Dhar, Gurga Nath 
AU  - Vaish, Triloki & Kumar, Shalin 
TI  - Environmental science & ethics
SN  - 9789380097428
U1  - 363.7 DHA 
PY  - 2009///
CY  - New Delhi : 
PB  - Vayu Education of India
N1  - Includes references and index
ER  -