Helly, Walter

ID:DA00763578

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  • 地域モデル入門

    W.ヘリー著 ; 金子敬生, 伊藤滋共訳

    マグロウヒル好学社 1978.9

    Available at 126 libraries

  • Urban systems models

    Walter Helly

    Academic Press 1975 Operations research and industrial engineering

    Available at 39 libraries

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