http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1987 ASPRS-ACSM Annual Convention : Baltimore, Maryland, March 29 - April 3 : ASPRS 53rd Annual Meeting : ACSM 47th Annual Meeting
ASPRS-ACSM Convention (1987: Baltimore, Md.)
American Society for Photogrammetry and Remote Sensing
American Congress on Surveying and Mapping
American Congress on Surveying and Mapping Meeting 1987: Baltimore Md.)
American Society for Photogrammetry and Remote Sensing and American Congress on Surveying and Mapping