Thayer et al., 1945. Proc. Oklahoma Acad. Sci. for 1945 Document reference Thayer, R. ; Heller, V. G., 1945. Vicia villosa (Vetch): chemical composition and use in poultry rations. Proc. Oklahoma Acad. Sci. for 1945Web http://digital.library.okstate.edu/OAS/oas_pdf/v26/p40_43.pdfCitation key Thayer et al., 1945Datasheets Hairy vetch (Vicia villosa)
