by Hurburgh C.R. Jr, Bern C.J
Published in Transactions of the ASAE (1983)

by Kay, R.L, Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.03.1989)

by Yang, X. (University of Missouri, Columbia), Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.07.1990)

by Bern, C.J. (Iowa State University, Ames), Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.11.1992)

by Grama S.N, Bern C.J, Hurburgh C.R. Jr
Published in Transactions of the ASAE (1984)

by Dugba, P.N. (Univ. of Calif., Davis, CA.), Bern, C.J, Rukunudin, I, Misra, M.K, Bailey, T.B
Published in Transactions of the ASAE (01.09.1996)

by Waite, P.J, Bern, C.J
Published in Transactions of the ASAE (01.11.1987)

by Al-Yahya, S.A, Bern, C.J, Misra, M.K, Bailey, T.B
Published in Transactions of the ASAE (1993)

by Meyer, R.E, Schwab, C.V, Bern, C.J
Published in Transactions of the ASAE (01.01.1993)

by Al-Yahya, S.A. (King Saud University, Buraydh, Qassim, Saudi Arabia), Bern, C.J, Misra, M.K
Published in Transactions of the ASAE (1994)

by Anderson M.E, Bern C.J, Wilcke W.F
Published in Transactions of the ASAE (1984)

by Hurburgh, C.R. Jr, Hazen, T.E, Bern, C.J
Published in Transactions of the ASAE (01.01.1985)

by Al-Yahya, S.A. (Iowa State University, Ames), Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.05.1991)

by Hurburgh, C.R. Jr. (Iowa State University, Ames), Bern, C.J, Brumm, T.J
Published in Transactions of the ASAE (01.11.1989)

by Nguyen, V.T, Bern, C.J, Wilcke, W.F, Anderson, M.E
Published in Transactions of the ASAE (01.01.1984)

by Balascio, C.C. (University of Delaware, Newark), Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.09.1989)

by Hurburgh, C.R. Jr, Bern, C.J, Wilcke, W.F, Anderson, M.E
Published in Transactions of the ASAE (01.01.1983)

by Lyon, H.J, Schmitt, S.G, Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.11.1988)

by Bern C.J, Anderson M.E, Wilcke W.F, Hurburgh C.R
Published in Transactions of the ASAE (1982)

by Gaul, A.D, Misra, M.K, Bern, C.J, Hurburgh, C.R. Jr
Published in Transactions of the ASAE (01.07.1986)