TY  - BOOK
AU  - Kotpal,R.L.
TI  - Porifera: A text book for college & university students
SN  -  
U1  - 593.4 
PY  - 1983///
CY  - Meerut
PB  - Rastogi publications
KW  - Zoology
KW  - প্রানীবিদ্যা
N1  - Includes index
ER  -