TY  - BOOK
AU  - Agarwal , R.K.
AU  - Sangal,V.K.
TI  - Environment and Ecology
U1  - 577.14 
PY  - 2010///
CY  - Meerut
PB  - Krishna Prakashan Media (p)
KW  - Applied Sc
KW  - Environmental Science
ER  -