[s.n.][1972?]
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- 一般注記...l development, University of Nebraska college of agriculture the agricultural experiment station"--T.p. verso
- 著者標目...al development University of Nebraska college of agriculture the agricultural experiment station
University of Nebraska. College of Agriculture, The Agricultural Experiment Station1917
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University of Nebraska. College of Agriculture, the Agricultural Experiment Station
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University of Nebraska College of Agriculture and Home EconomicsUniversity of Nebraska College of Agriculture and Home Economics, the Agricultural Experiment Station
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University of Nebraska College of Agriculture and Home Economics, the Agricultural Experiment StationUniversity of Nebraska College of Agriculture and Home Economics, the Agricultural Experiment Station
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