TY  - BOOK
AU  - Sharma,P.D.
TI  - Ecology and environment
SN  - 8171331831
U1  - 577 
PY  - 1990///
CY  - Meerut
PB  - Rastogi publication
KW  - Ecology
KW  - Environment
KW  - Ecosystem
KW  - Habitat Ecology
N1  - Includes bibliographical references and index
ER  -