00386nam a2200145Ia 4500008004100000020001500041082001400056100001900070245003600089260005300125300000800178650001800186650002400204653001200228170901s1954    xx            000 0 und d  a0851981704  a599bG71M  aGray, Annie P. 0aMammalian HybridsbBibliography  aEnglandbCommonwealth Agricultural Bureauxc1954  a262  aPure Sciences  aZoological sciences  aMammals