TY  - BOOK
AU  - RAJAGOPALAN R
TI  - Environment and ecology:  A complete guide   
SN  - 9789350357583
U1  - U287:(G:55), Q6 
PY  - 2016///
CY  - Gurgoan
PB  - LexisNexis          
KW  - Geography
N1  - Bibliography: p 303-306
ER  -