ASPRS-ACSM Convention Baltimore, Md., American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, ASPRS Meeting, & American Congress on Surveying and Mapping. (1987). Technical papers: 1987 ASPRS-ACSM Annual Convention : Baltimore, Maryland, March 29 - April 3 : ASPRS 53rd Annual Meeting : ACSM 47th Annual Meeting. American Society for Photogrammetry and Remote Sensing and American Congress on Surveying and Mapping.
Παραπομπή σε μορφή Chicago (17η εκδ.)ASPRS-ACSM Convention Baltimore, Md., American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, ASPRS Meeting, και American Congress on Surveying and Mapping. Technical Papers: 1987 ASPRS-ACSM Annual Convention : Baltimore, Maryland, March 29 - April 3 : ASPRS 53rd Annual Meeting : ACSM 47th Annual Meeting. Falls Church, Va.: American Society for Photogrammetry and Remote Sensing and American Congress on Surveying and Mapping, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)ASPRS-ACSM Convention Baltimore, Md., et al. Technical Papers: 1987 ASPRS-ACSM Annual Convention : Baltimore, Maryland, March 29 - April 3 : ASPRS 53rd Annual Meeting : ACSM 47th Annual Meeting. American Society for Photogrammetry and Remote Sensing and American Congress on Surveying and Mapping, 1987.