00448nam a2200157Ia 4500008004100000020001500041082002100056100001800077245002500095260004900120300000800169650004100177650003400218653001400252653002400266170901s1971    xx            000 0 und d  a0716708213  a636.089871bS21B  aSchmidt, G.M. 0aBiology of Lactation  aSan FranciscobW.H.Freeman and Companyc1971  a317  aAgriculture and related technologies  aTechnology (Applied sciences)  aLactation  aVeterinary medicine