000 00282nam a2200133Ia 4500
008 191031s9999 xx 000 0 und d
100 _aGeorge Barth
245 0 _aEmbryology
260 _b"Holt, Rinehart"
260 _c1953
365 _b72.52
500 _aw.o
942 _cBK
999 _c196323
_d196323