00317nam a2200121Ia 45000030006000000080041000060400015000471000017000622450060000792600027001395460012001660050017001780STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBeatly, R.H.  aParthenogenesis and polyploidy in mammalian development  bUniversity pressc1957  aEnglish20220125170424.0