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GIS' 87 - San Francisco : "... into the hands of the decision maker" : second annual international conference, exhibits and workshops on geographic information systems, Hotel Nikko San Francisco, CA Oct. 26-30, 1987. Vol. 3

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GIS' 87 - San Francisco : "... into the hands of the decision maker" : second annual international conference, exhibits and workshops on geographic information systems, Hotel Nikko San Francisco, CA Oct. 26-30, 1987. Vol. 3

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