00297nam a2200121Ia 45000030006000000080041000060400015000471000022000622450029000842600033001135460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWaddinghton, C.H.  aPrinciples of embryology  bGeorge Allen and Unwinc1957  aEnglish20220125170449.0