00255nam a2200109Ia 4500082002500000245004200025260003600067500000500103700000500108100001800113300001400131  a519.5024574bM427.PQ  aPrinciples of quantitative geneticsb  aMinneapolisbBurgess Bks.c1964  a  a  aMather, W. B.  aii, 152p.