TY  - BOOK
AU  - KOTPAL (R L) and others.
TI  - Modern textbook of zoology invertebrates
SN  - 81 7133 098 3
U1  - 592 KOTM 
PY  - 1987///
CY  - Meerut
PB  - Rastogi Publications
KW  - Invertebrate Zoology
ER  -