by Gingerich M.A, Boast C.W, Ewing L.K, Lembke W.D
Published in American Society of Agricultural Engineers (Microfiche collection) (USA). no. fiche no. 88-2042 (1988)

by McIsaac, G.F., Mitchell, J.K., Hirschi, M.C., Ewing, L.K.
Published in Soil & tillage research (1991)

by Ewing, L.K, Mitchell, J.K
Published in Transactions of the ASAE (01.01.1986)

by Ewing, L.K, Mitchell, J.K
Published in Paper - American Society of Agricultural Engineers (USA) (1985)

by Ewing, L.K, Mitchell, J.K
Published in Paper - American Society of Agricultural Engineers (USA) (1985)

by Ewing, L.K, Mitchell, J.K
Published in Paper - American Society of Agricultural Engineers (USA) (1984)

by Mohamoud, Y, McCarty, T.R, Ewing, L.K
Published in Journal of irrigation and drainage engineering (01.03.1992)

by Mohamoud, Y.M, Ewing, L.K, Boast, C.W
Published in American Society of Agricultural Engineers (Microfiche collection) (USA) (1988)

by Ewing, L.K, Vanderholm, D.H, Boast, C.W, Lembke, W.D
Published in Paper - American Society of Agricultural Engineers (USA) (1983)

by Mohamoud, Y.M. (Abidjan, Ivory Coast, Africa), Ewing, L.K, Mitchell, J.K
Published in Transactions of the ASAE (01.07.1990)

by Ewing, L.K. (University of Illinois, Urbana-Champaign)
Published in Transactions of the ASAE (1989)

by Mohamoud Y.M, Ewing L.K, Boast C.W
Published in Transactions of the ASAE (1990)

by Mohamoud, Y.M. (University of Illinois, Urbana, Champaign), Ewing, L.K
Published in Transactions of the ASAE (01.03.1990)

by Ewing, L.K, Mitchell, J.K
Published in Transactions of the ASAE (01.11.1986)

by Ewing, L.K, Vanderholm, D.H, Boast, C.W, Lembke, W.D
Published in Transactions of the ASAE (01.01.1985)