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1著者: Steiger, Hans-Ulrich### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1968Hannover, A. Strothe [1968]457 p. illus. 21 cm.主題: “...Agriculture Economic aspects....”
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2著者: Schrader, Helmut### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1973Meisenheim am Glan, A. Hain, 1973.217 p. illus. 23 cm.主題: “...Agriculture Economic aspects Mathematical models....”
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3著者: Kaick, Barbara van### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1977Göttingen : [s.n.], 1977.192, [11] p. : graphs ; 21 cm.主題: “...Agriculture Economic aspects Germany (West) Mathematical models....”
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4著者: Grosskopf, Werner### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1971Hannover, Alfred Strothe [1971]216 p. illus., tables. 21 cm.主題: “...Agriculture Economic aspects Mathematical models....”