by Holt D.A
Year of Publication 1985

by Holt, D.A., Griffiths, D.V.
Published in Computers and geotechnics (1992)

by Lechtenberg V.L, Buettner M.R, Holt D.A, Richey C.B, Parsons S.D
Year of Publication 1978

by Holt, D.A. (Illinois Agricultural Experiment Station, Urbana, IL), Rawlins, S.L
Year of Publication 1990

by Knapp, W.R, Holt, D.A, Lechtenberg, V.L
Published in Agronomy journal (01.01.1974)

by Holt, D.A
Published in Illinois research - Illinois Agricultural Experiment Station (1984)

by Holt, D.A, Baker, D.H
Published in Illinois research - Illinois Agricultural Experiment Station (1991)

by Holt D.A
Published in Phytopathology (1989)

by Holt, D.A
Published in Assessment of crop loss from air pollutants : proceedings of an international conference, Raleigh, NC, October 25-29, 1987 / edited by Walter W. Heck, O. Clifton Taylor, David T. Tingey (1988)

by Holt, D.A
Year of Publication 1986

by Holt, D.A. (Illinois Agricultural Experiment Station)
Published in Illinois research - Illinois Agricultural Experiment Station (USA) (1991)

by Fick, G.W, Holt, D.A, Lugg, D.G
Published in Agronomy (1988)

by Holt D.A
Published in Illinois research Illinois Agricultural Experiment Station (01.12.1986)

by Skjelvaag A.O, Holt D.A
Year of Publication 1984

by Holt, D.A
Published in Science (American Association for the Advancement of Science) (26.04.1985)

by Holt, D.A, Lectenberg, V.L
Year of Publication 1976

by Hankins, B.J, Holt, D.A
Published in Part of a subject series (USA) (1978)

by Holt, D.A
Published in Illinois research - Illinois Agricultural Experiment Station (1983)

by Holt, D.A. (University of Illinois)
Year of Publication 1989

by Ossom E.M, Rhykerd C.L, Holt D.A
Published in Proceedings of the Indiana Academy of Science (1981)