TY  - BOOK
AU  - Kotpal,R.L.
TI  - Modern textbook of zoology: invertebrates  
SN  - 8171333729 :
U1  - 590 19
PY  - 1998///
CY  - Meerut
PB  - Rastogi publications
KW  - Zoology
KW  - Spines
KW  - Invertebrates
N2  - Environment Management
ER  -