Fifth United Nations Regional Cartographic Conference for the Americas : New York, 11-15 January 1993.
United Nations Regional Cartographic Conference for the Americas(5th :1993 :New York, N.Y.)
United Nations.Department for Development Support and Management Services.
New York : United Nations,
1993.
"E/CONF.86/3."--v. 1.
At head of title: Department for Development Support and Management Services.
"United Nations Publication Sales No. E.94.I.4"--v. 1.
v. 1. Report of the conference -- v. 2. Technical papers.
Cartography