Global effects of environmental pollution, a symposium organized by the American Association for the Advancement of Science, held in Dallas, Texas, Dec. 1968. Ed. by S. Fred Singer. - Symposium on the Global Effects of Environmental Pollution, Dallas, 1968; Singer, Siegfried Fred 1924-.; American Association for the Advancement of Science (New York Springer-Verlag, 1970)
Keywords: Pollution -- Congresses