TY  - BOOK
AU  - Agrawal, V.P.
AU  - Chaturvedi, L.D.
TI  - A text book of invertebrate zoology
U1  - 592 
PY  - 1987///.
CY  - New Delhi
PB  - Jagmander Book Agency
KW  - Zoology
KW  - Animals
ER  -