Ann Arbor Mich. :; Ann Arbor Mich. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Great Lakes Environmental Research Laboratory, 1976

Ann Arbor Mich. : Washington : Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Great Lakes Environmental Research Laboratory ; distributed by Technical Information Division, Environmental Information Center, NOAA, 1976