TY  - BOOK
AU  - Mohanka, Reena
AU  - Sen, Ananya 
AU  - Singh, M.P. 
TI  - Environmental resources and biological hazards
SN  - 9788131304372
U1  - 363.73 
PY  - 2008///
CY  - New Delhi 
PB  - APH Publishing House
KW  - Environment pollution
N1  - Includes glossary and bibliographical references
ER  -