Feedipedia
Animal feed resources information system
Feedipedia
Feedipedia

Teynor et al., 1997. In: Alternative Field Crops Manual, University of Wisconsin-Exension, Cooperative Extension

Document reference 
Teynor, T. M. ; Putnam, D. H. ; Doll, J. D. ; Kelling, K. A. ; Oelke, E. A. ; Undersander, D. J. ; Oplinger, E. S., 1997. Comfrey. In: Alternative Field Crops Manual, University of Wisconsin-Exension, Cooperative Extension
Citation key 
Teynor et al., 1997