W. C. Young, Youngberg, H. W., Chilcote, D. O., and Hart, J. M.,
“Spring Nitrogen Fertilization of Perennial Ryegrass Seed Crop”,
Journal of Production Agriculture, vol. 10, pp. 327-330, 1997.
W. C. Young and Silberstein, T. B.,
“The Oregon Grass Seed Industry”, in
Epichloae Endophytes of Cool Season Grasses: Implications, Utilization and Biology, Ardmore, OK: The Samuel Roberts Noble Foundation, 2012, pp. 49-52.
W. C. Young, Gingrich, G. A., Silberstein, T. B., and Quebbeman, B. M.,
“Post-harvest residue management of creeping red and chewings fescue seed crops”,
Agronomy Journal, vol. 90, pp. 69–73, 1998.