5th and 6th United Nations Regional Cartographic Conference for the Americas.
Adopted at the 30th plenary meeting, 12 July 1993. In: Resolutions and decisions adopted by the Economic and Social Council at its substantive session of 1993, Geneva, 28 June-30 July 1993. - E/1993/INF/6. - 7 Sept. 1993. - p. 204. - Issued in ESCOR, 1993, Suppl. no. 1.