Third United Nations Regional Cartographic Conference for Asia and the Far East, 27 October - 10 November 1961, Bangkok, Thailand, vol. 2, Proceedings of the Conference and technical papers, New York, 1965
TitreThird United Nations Regional Cartographic Conference for Asia and the Far East, 27 October - 10 November 1961, Bangkok, Thailand, vol. 2, Proceedings of the Conference and technical papers, New York, 1965
