Proceedings of the United Nations Scientific Conference on the Conservation and Utilization of Resources : 17 August-6 September 1949, Lake Success, New York, vol. 1 plenary meetings / United Nations Scientific Conference on the Conservation and Utilization of Resources, Lake Success, N.Y., 1949. Natural resources Congresses. JX1977 .A2 E/conf.7/7 600.6 UNP Vols. 2-8 published in New York. Includes bibliographies. Lake Success, United Nations Dept. of Economic Affairs, 1950. 1950. 1950 Text 8 v. : eng