00397nam a2200157Ia 4500008004100000082001600041100001900057245002100076260004700097300000800144650001800152650001800170653001300188700002100201700001700222170901s1965 xx 000 0 und d a575.1bS66G aSRB, Adrian M. 0aGeneral Genetics aSan FranciscobW. H. Freeman And Co.c1965 a557 aLife sciences aPure Sciences aGenetics aEdgar, Robert S. aOwen, Ray D.