Technical papers of the American Congress on Surveying and Mapping ASP-ACSM fall technical meeting ; San Francisco, Sept. 9-11, 1981 ; Honolulu, Sept. 14 - 16, 1981 (1981)
Nebent.: 80's era of change. - 1980 u.d.T.: American Congress on Surveying and Mapping: Technical papers of the American Congress on Surveying and Mapping, fall technical meeting. - Ab 1982 u.d.T.: American Congress on Surveying and Mapping: Technical papers