TY  - BOOK
AU  - Sharma,P.D, Misra, R
AU  - x
TI  - Elements of ecology: x
SN  - x
U1  - 581.5/S531e 
PY  - 1985///
CY  - Meerut
PB  - Rastogi pub.
KW  - Ecology
N1  - Includes
ER  -