Putnam, 1991. In: Alternative Field Crop Manual, University of Wisconsin-Exension, Cooperative Extension

Putnam, D. H. ; Oplinger, E. S. ; Teynor, T. M. ; Oelke, E. A. ; Kelling, K. A. ; Doll, J. D., 1991. Peanut. In: Alternative Field Crop Manual, University of Wisconsin-Exension, Cooperative Extension