TY  - BOOK
AU  - Kotpal, R. L.
TI  - Modern Textbook of Zoology: invertebrates 
SN  - 81-7133-339-7
U1  - 591 
PY  - 1997///
CY  - Meerut
PB  - Rastogi Publications
KW  - Zoolgy
KW  - invertebrates
ER  -