TY  - BOOK
AU  - Kotpal, R L
TI  - Porifera
T2  - Zoology Phylum, 2
U1  - KOT-P6 
PY  - 1973///
CY  -  Meerut
PB  - Rastogi & Company
KW  - Porifera (Sponges); Zoology
ER  -