TY  - BOOK
AU  - Lal, S.S. .
TI  - A Text-Book of Practical Zoology: Invertebrate
U1  - 592 
PY  - 1990///
CY  - Meerut
PB  - Rastogi Piblications
KW  - Zoology
KW  - Practical Zoology-Invertebrate
KW  - G-Zoology
ER  -