http://pec.lib.wvu.edu/record/P169751928The Relation of smut infection to yield in maize. Journal article reprint from: <em>Journal of the American Society of Agronomy</em>, v.20:no.7 (1928:July). Garber, R. J.Hoover, M. M.Corn--Diseases and pests.Corn--Yields.Ustilaginaceae.Smut diseases.14256