000 00332nam a2200145Ia 4500
008 231217s9999 xx 000 0 und d
041 _aEnglish
082 _a574.3
_bB39E
100 _aBeer, Gavin DE.
245 0 _aEmbryos And Ancestors
250 _a3rd
260 _aLondon
_bClaredon Press
_c1958
300 _a197
942 _cBK
999 _c5486
_d5486