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  1. 1
    出版 1986
    主題 “...Geography Information services Congresses....”
    Conference Proceeding 圖書
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    Proceedings of Geographic Information Systems Workshop, Colony Square Hotel, Atlanta, Georgia, April 1-4, 1986.
  2. 2
    出版 1986
    主題 “...Geography Information services New Zealand Directories....”
    圖書
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    Directory of geographic data systems within central government : data, information products and contacts /

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