TY  - BOOK
AU  - Kotpal,,  R.L.
TI  - Modern textbook of zoology: invertebrates. / 
SN  - 81-7133-485-7
U1  - 592 
PY  - 2000///
CY  - Meerut
PB  - Rastogi.
KW  - Invertebrates-Zoology
ER  -