TY  - BOOK
AU  - Kotpal,R.L.
AU  - Agarwal,S.K.
AU  - Khetarpal,R.P.
TI  - Invertebrates: modern text book of zoology 
U1  - 592 
PY  - 1982///
CY  - Meerut
PB  - Rastogi Pub.
KW  - Invertebrates
N1  - For B. Sc. & B. Sc.(Hons) classes; Includes bibliographical references and index
ER  -