Hill, Lowell D., Paul Aho, Thomas H. Applewhite, Keith E. Belk, H. Russell Cross, Lawrence A. Duewer, Steven S. Duncan, et al. “Quality of U.S. Agricultural Products”. Council for Agricultural Science and Technology (CAST) (January 23, 1996). Accessed July 2, 2026. https://publications.cast-science.org/CAST/article/view/214.