by Belcher D.R, Frahm R.R, Horn G.W, Mizell R.H
Published in Research Report P Oklahoma Agricultural Experiment Station (1978)

by Belcher, D.R, Frahm, R.R, Horn, G.W, Mizell, R.H
Published in Res Rep P Okla Agric Exp Stn (1978)

by Lemenager R.P, Owens F.N, Ferrell E.L, Belcher D.R, Dvorak M, Shockey B.J, Lusby K.S, Totusek R
Published in Miscellaneous Publication Oklahoma Agricultural Experiment Station (1978)

by Morgan, A., Black, A., Walsh, M., Belcher, D.R.
Published in The International journal of applied radiation and isotopes (01.06.1972)