People : Sojka, R.
Shock, C. and Stieber, T. and Eldredge, E. and Sojka, R. and Kennedy-Ketcheson, E. (1989) Comparison of fall and spring bedding for furrow irrigated potatoes following fall moldboard or chisel plowing. Oregon State University Agricultural Experiment Station Special Report No. 848. pp. 36-39.
Lehrsch, G. and Sojka, R. and Westermann, D. (2008) Nitrogen placement, row spacing, and water management for furrow-irrigated field corn. pp. 42-48. In: Moore, A. (ed.) Proceedings of the Idaho Nutrient Management Conference. Vol. 4. USA-ID-Jerome, 2008/03/04.