00457nam a2200157Ia 4500008004100000082001400041100001900055245002700074260005000101300000800151650004100159650003400200653001900234700002100253700002500274170901s1958    xx            000 0 und d  a637bT68D  aTracy, Paul. H 0aDairy Plant Management  aNew YarkbMcGraw-Hill Book Company, Incc1958  a439  aAgriculture and related technologies  aTechnology (Applied sciences)  aDairy industry  aAannah, Harold W  aArmerding, George. D