TY  - BOOK
AU  - KOTPAL R.L.
TI  - Invertebrates : modern text book of zoology
SN  - 81-7133-577-2
U1  - 592 
PY  - 2002///
CY  - Meerut 
PB  - rastogi pub.
KW  - Zoology
N1  - includes index
ER  -