TY  - BOOK
AU  - Fry, W G, Ed.
TI  - Biology of the porifera: Symposia of the zoological society of London, No.25
U1  - 593.4  FRY-B 
PY  - 1970///
CY  - Academic Press , New York
KW  - Porifera (Sponges)
ER  -