Element concentrations toxic to plants, animals, and man : an appraisal of the toxicity hazard to plants, animals, and man from natural and manmade element concentrations of environmental concern / by Larry P. Gough, Hansford T. Shacklette, and Arthur A. Case.
Publication Info.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1979.
Washington : United States Government Printing Office