ID:DA07640623
Iowa Agricultural Experiment Station
Iowa State College. Experiment Station
Iowa State College. Agricultural and Home Economics Experiment Station
同姓同名の著者を検索
Iowa State College [1951]
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by members of the staff of tne Iowa State College and the Iowa Agricultural Experiment Station
Iowa State University Press 1946
by the staff in economics at Iowa State College
Collegiate press 1933 Reprint series / Iowa Agricultural Experiment Station no. J123
Agricultural Expriment Station, Iowa State College of Agriculture and Mechanic Arts
Agricultural Experiment Station
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[Agricultural Experiment Station, Iowa State College]
[Agricultural Experiment Station, Iowa State College] -1957
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Agricultural Experiment Station, Iowa State College
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