TY  - GEN
AU  - Mehta, Meenakshi.
TI  - Understanding environmental science
SN  - 9788183565318
AV  - GE70 .M43 2010 CIRC
PY  - 2010///
CY  - New Delhi
PB  - Discovery Publishing House
KW  - Environmental science
N1  - Includes index
ER  -