TY  - GEN
AU  - Bhattacharyya, K. G.
TI  - Comprehensive environmental studies
SN  - 9788184873450 (pbk.)
AV  - GE105 .E59 2009
U1  - 628.078 
PY  - 2015///
CY  - New Delhi
PB  - Narosa
KW  - Environmental sciences
KW  - Environmental engineering
N1  - Includes index
ER  -