Potential of Sugar Beet Nematode-Resistant Radishes and Mustard for Use in Sugar Beet RotationsJames M. Krall, David W. Koch, Fred A. Gray, and Li Mei Yun
Midwest Vegetable Production Guide for Commercial Growers 2000
Handbook of Energy CropsJames A. Duke. 1983. unpublished.
Sugarbeets: Alternative Field Crops Manual, University of Wisconson Cooperative Extension Service, University of Minnesota Extension Service, Center for Alternative Plant & Animal Products
Beet and Swiss Chard (with Spinach) production links
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.