Symposium on the Global Effects of Environmental Pollution (1968 : Dallas, Tex.)
Global effects of environmental pollution; a symposium organized by the American Association for the Advancement of Science, held in Dallas, Texas, December 1968 / Edited by S. Fred Singer.
Pollution -- Congresses.
Air Pollution -- Congresses.
Environmental Health -- Congresses.
Water Pollution -- Congresses.
Pollution -- Congrs̀ˆ.
Singer, S. Fred (Siegfried Fred), 1924- ed.
American Association for the Advancement of Science