TY  - BOOK
AU  - Kotpal,R.L.
TI  - Porifera: a text book for college and university student 
U1  -  593.4 
PY  - 1983///
CY  - Meerut
PB  - Rastogi
KW  - Polyzoa
KW  - Zoology
N1  - Bibliography : p. 129-130
ER  -