00578nam a2200229Ia 4500008004000000082001500040100000600055245009500061260004100156300001400197440000700211650001400218650000900232650001100241650000700252650001300259650001900272650001600291650001500307650001700322650000900339210210b1988   xxu||||| |||| 00| 0 eng d  a591.5 ILLU  a-  aILLUSTRATED ENCYCLOPEDIA of wildlife. 52V: V47: Invertebrates.bPhylum Molluscs Gastropoda  aLondonbOrbis Publishing Ltd.,c1988  a2761-2820  a47  awildlife.  aV47:  aPhylum  aof  aMolluscs  aInvertebrates.  aILLUSTRATED  aGastropoda  aENCYCLOPEDIA  a52V: