by Ragan J.R, Watson W.F, Stokes B.J
Published in American Society of Agricultural Engineers (Microfiche collection) (USA). no. fiche no. 87-1564 (1987)

by Ragan, J.R
Published in Official proceedings : annual meeting - Livestock Conservation Institute (USA) (1987)

by Ragan, J.R
Published in Official proceedings : annual meeting - Livestock Conservation Institute (1984)

by Watson, W.F. (Mississippi State University, Mississippi State, MS), Stokes, B.J, Ragan, J.R, Dubois, M.R
Published in Southern journal of applied forestry (01.02.1992)

by Watson, W.F, Ragan, J.R, Straka, T.J, Stokes, B.J
Published in Proceedings of the...Society of American Foresters National Convention (USA) (1986)