by Karlen, D.L., Wollenhaupt, N.C., Erbach, D.C., Berry, E.C., Swan, J.B., Eash, N.S., Jordahl, J.L.
Published in Soil & tillage research (01.08.1994)

by Wu, L., Swan, J.B., Paulson, W.H., Randall, G.W.
Published in Soil & tillage research (01.10.1992)

by Cihacek, L.J, Swan, J.B
Published in Journal of soil and water conservation (01.05.1994)

by Bargar, B, Swan, J.B, Jaynes, D
Published in Soil Science Society of America journal (01.09.1999)

by JOSHI, J.R, MONCRIEF, J.F, SWAN, J.B, BURFORD, P.M
Published in Soil & tillage research (1994)

by Wu, L. (University of California, Riverside, CA.), Swan, J.B, Allmaras, R.R, Logsdon, S.D
Published in Soil Science Society of America journal (01.01.1995)

by Gupta, S.C, Schneider, E.C, Swan, J.B
Published in Soil Science Society of America journal (01.07.1988)

by Swan, J.B, Shaffer, M.J, Paulson, W.H, Peterson, A.E
Published in Soil Science Society of America journal (01.07.1987)

by Swan, J.B. (Univ. of Minnesota, St. Paul, MN), Staricka, J.A, Shaffer, M.J, Paulson, W.H, Peterson, A.E
Published in Soil Science Society of America journal (01.01.1990)

by Shaffer M.J, Swan J.B, Johnson M.R
Published in Journal of soil and water conservation (01.01.1984)