por Craun, Gunther F [editor] | Kopfler, Frederick C [editor] | Health Effects Research Laboratory (Cincinnati, Ohio) | American Chemical Society. Division of Environmental Chemistry | American Chemical Society (190 : 1985 : Chicago, Illinois) | Symposium on Exposure Measurement and Evaluation Methods for Epidemiology (1985 : Chicago, Illinois).
por Bull, Richard J [autor] | Kopfler Frederick C [autor] | American Water Works Association.