by Frahm, R.R, Stanforth, T.A
Published in Misc Publ Agric Exp Stn Okla State Univ USDA (1975)

by Stanforth, T.A, Frahm, R.R
Published in Misc Publ Agric Exp Stn Okla State Univ USDA (1975)

by Stanforth, T.A, Frahm, R.R, Sharp, W.E
Published in Misc Publ Agric Exp Stn Okla State Univ USDA (1974)

by Frahm, R.R, Stanforth, T.A, Omar, M.A, O'Hanlon, R.J
Published in Misc Publ Agric Exp Stn Okla State Univ USDA (1973)