TY  - BOOK
AU  - Kotpal, R. L. 
TI  - Modern Textbook of Zoology Invertebrates : for B.Sc. & B.Sc. (H) classes 
SN  - 81-7133-339-7
U1  - 592 
PY  - 1997///
CY  - Meerut 
PB  - Rastogi Pub
KW  - Invertebrates
ER  -