TY  - BOOK
AU  - Kotpal,R.L.
TI  - Modern text book of zoology: invertebrates (animal diversity-1) for B.Sc. & B.Sc. (Hons) classes 
SN  - 817133699X
PY  - 2004///
CY  - Meerut
PB  - Rastogi Pub.
KW  - Zoology
KW  - Study and teaching
ER  -