Technical papers : 1990 ACSM-ASPRS Annual Convention, March 18-23, 1990, Denver, Colorado : ACSM 50th annual meeting, ASPRS 56th annual meeting
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Technical papers : 1990 ACSM-ASPRS Annual Convention, March 18-23, 1990, Denver, Colorado : ACSM 50th annual meeting, ASPRS 56th annual meeting
American Society for Photogrammetry and Remote Sensing and American Congress on Surveying and Mapping, c1990
