TY  - BOOK
AU  - KOTPAL,R.L.
TI  - Modern text book of zoology: invertebrates (animal diversity - 1):  a textbook for university students
SN  - 8171339034
PY  - 2012///
CY  - Meerut
PB  - Rastogi Publications
KW  - Zoology
N1  - Includes bibliographical references
ER  -