00449nam a22001457a 4500008004100000040005500041080002100096245002900117260003700146300001900183490005500202650001300257653001400270700001900284230609b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a593.4(082.2)bL0  aBiology of the porifera   aLondon: bAcademic Press, c1970  axxviii, 512p.   aSymposium of the zoological society of London v25  aBiology   aPorifera   aFry, W G (Ed.)