by Erickson D.E
Published in Illinois agricultural economics staff paper (1980)

by Herbst J.H, Erickson D.E
Year of Publication 1989

by Bonell N.P, Erickson D.E
Published in Miscellaneous Publication - U.S. Dept of Agriculture (USA). no. 1415 (1981)

by Sandborg J.R, Erickson D.E
Published in A.E. - Illinois University (1978)

by Erickson D.E, Hinton R.A, Szoke R.D
Year of Publication 1990

by Shurtleff M, Erickson D.E, Gillard Byers T
Published in A.E. - Illinois University (1980)

by Erickson D.E, Sandborg J.R, Templeton S
Published in A.E. - Illinois University (1978)

by Herbst, J.H, Erickson, D.E
Year of Publication 1989

by Erickson, D.E
Published in Illinois agricultural economics staff paper, series E agricultural economics - Dept. of Agricultural Economics, University of Illinois (1980)

by D.E. ERICKSON
Year of Publication 16.08.1972

by D.E. ERICKSON
Year of Publication 04.04.1972

by Erickson, D.E, Ellinger, P.N
Published in AERR - Department of Agricultural Economics, University of Illinois Agricultural Experiment Station (USA) (01.02.1982)

by Lenkaitis V.J. III, Erickson D.E
Published in Farm economics facts and opinions - University of Illinois (1991)

by Paynter, M. (University of Illinois, Urbana-Champaign), Erickson, D.E
Published in Illinois research - Illinois Agricultural Experiment Station (USA) (1990)

by Lazarus, W, Erickson, D.E
Published in A.E. - Illinois University, Dept. of Agricultural Economics (USA) (01.11.1980)

by Dunn, D, Erickson, D.E
Published in Farm Econ Facts Opin Ill Univ Dep Agric Econ (1976)

by Nodland, Truman R, Erickson, D.E
Year of Publication 01.03.1962

by Nodland, Truman R, Erickson, D.E
Year of Publication 01.03.1962

by Erickson, D.E, Nodland, Truman R
Year of Publication 01.06.1961

by Erickson, D.E, Nodland, Truman R
Year of Publication 01.06.1961