TY  - BOOK
AU  - De, Anil Kumar
AU  - De, Arnab Kumar
TI  - Textbook of environmental science: for undergraduate students (arts, commerce, science, medicine and engineering) of all universities / 
SN  - 9789381714546
U1  - 333.707 
PY  - 2014///
CY  - New Delhi
PB  - Scientific International
N1  - Includes index
ER  -