000 00281 a2200109 4500
008 181119b xxu||||| |||| 00|
100 _aR D Purchon
245 _aThe biology of the mollusca /
_cR D Purchon
260 _aOxford
_b Pergamon Press [
_c1968
300 _a357p.
942 _2ddc
_cBK
999 _c7395
_d7395