000 00377nam a2200121Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
100 _aCrew F A E
245 _aSex-determination
260 _aLondon
_bMethuen & Co.
_c1965
300 _aviii,188p.;18cm
650 _areproduction
999 _c3610
_d3610