by Scott, N.R, DeShazer, J.A, Roller, W.L
Year of Publication 1983

by Elwell D.L, Short T.H, Roller W.L
Year of Publication 1983

by Fynn, R.Peter, Roller, W.L., Keener, H.M.
Published in Agricultural systems (1989)

by Roller W.L, Keener H.M, Meyer G.E, Elwell D.L
Published in Paper - American Society of Agricultural Engineers (USA). no. 77-351 (1977)

by Fynn, R.P. (The Ohio State University, Wooster, OH), Bauerle, W.L, Roller, W.L
Year of Publication 1991

by Fynn, R.Peter, Bauerle, William L., Roller, Warren L.
Published in Agricultural systems (1994)

by Roller W.L, Elwell D.L
Published in Transactions of the ASAE (1980)

by Elwell D.L, Roller W.L, Short T.H
Published in Acta Horticulturae (Netherlands). no. 148 (1984)

by Misra R.N, Keener H.M, Roller W.L
Published in Transactions of the ASAE (1982)

by Short, T.H, Roller, W.L, Bauerle, W.L
Published in Acta Horticulturae (1981)

by Short T.H, Roller W.L, Bauerle W.L
Published in Acta Horticulturae (Netherlands). no. 115 (1981)

by Elwell, D.L, Roller, W.L, Keener, H.M
Published in Paper - American Society of Agricultural Engineers (USA) (01.06.1980)

by Boyd, J.S, Roller, W.L, Pedersen, J.H
Published in Publication - University of Alaska, Cooperative Extension Service, Division of Statewide Services (USA) (01.03.1984)

by Badger P.C, Roller W.L, Short T.H
Published in Agricultural engineering (1979)

by Badger P.C, Roller W.L, Short T.H
Published in Paper - American Society of Agricultural Engineers (USA). no. 79-4027 (1979)

by Short T.H, Badger P.C, Roller W.L
Published in Acta Horticulturae (Netherlands). no. 76 (1978)

by Short T.H, Badger P.C, Roller W.L
Year of Publication 1977

by Grifo, A.P. Jr, Teague, H.S, Roller, W.L
Published in Research summary (1974)

by Short, T.H, Badger, P.C, Roller, W.L
Year of Publication 1979

by Short, T.H, Badger, P.C, Roller, W.L
Published in Agric Eng St Joseph, Mich (1976)