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By "Norton, Horace W. "
Effects of ingested lead-iron shot on mallards / Glen C. Sanderson, Horace W. Norton, Sarah S. Hurley.
By: Sanderson, Glen C. - Hurley, Sarah S. - Norton, Horace W. - Illinois. Natural History Survey Division.
Publication info: Champaign, Ill. :Illinois Natural History Survey,1981.
Holding Institution: University Library, University of Illinois Urbana Champaign