Lynch, N.M.; Caul, J.F.; Kropf, Donald H.; Kastner, Curtis L.(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
Lee, C.Y.; Kastner, Curtis L.; Dikeman, Michael E.; Hunt, Melvin C.; Kropf, Donald H.; Lyon, M.; Fung, Daniel Y. C.(Kansas State University. Agricultural Experiment Station, 2011-02-09)
Highfill, C.M.; Font, O.E.; Kropf, Donald H.; Dikeman, Michael E.(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011-03-30)
LaBrune, H.J.; Hachmeister, K.A.; Kropf, Donald H.; Drouillard, James S.; Dikeman, Michael E.(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-06)
Mancini, R.A.; Hunt, Melvin C.; Kropf, Donald H.; Hachmeister, K.A.; Johnson, D.E.; Fox, John A.(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-06)