00331nam a2200121Ia 4500008004100000082001900041100001500060245006000075260002600135300001300161600001300174650002200187140224s9999 xx 000 0 und d a578.087:575 J9 aMather, K. aBiometrical genetics; the study of continuous variation aLondonbMathuenc1949 aix,162p. aK.Mather aBiometry,Genetics