TY  - GEN
AU  - Kotpal, R.L. 
TI  - Porifera:  a textbook for college and university students
SN  - 8171332218
U1  - 593.4 
PY  - 1996///
CY  - Meerut
PB  - Rastogi Publications
KW  - Zoology
KW  - Marine & seashore invertebrates
ER  -