000 00266nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aPurchom (RD)
245 0 _aBiology of the mollusca
260 _bPergamom
260 _c1977
365 _b47.50
942 _cBK
999 _c201622
_d201622