TY  - GEN
AU  - Das, Guru Sharan.
TI  - Environmental science: a global concern 
SN  - 9789351115274 (hbk.)
AV  - GE5 .A28 
U1  - 628 
PY  - 2015///
CY  - New Delhi
PB  - Random Publications
KW  - Environmental sciences
N1  - Includes bibliography
ER  -