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检索到 2 条 丛书名=Research bulletin (Iowa Agricultural Experiment Station) ; 的结果    

 


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  1. 西文图书1.Statistical investigation of a sample survey for obtaining farm facts / F302.5/JRJ

    馆藏复本：1
    可借复本：1     by Raymond J. Jessen.
    Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1942.
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  2. 西文图书2.Cost, distribution and utilization of farm machinery in Iowa / S22/HEO

    馆藏复本：1
    可借复本：1     by Earl O.Heady, John A.Hopkins and Eugene G.McKibben.
    Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1943.
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