by Preece, J.E, Huetteman, C.A, Adams, R.G, Ashby, W.C, Roth, P.L
Published in HortScience (01.07.1995)

by Huetteman, C.A, Preece, J.E, Ashby, W.C, Roth, P.L
Published in HortScience (01.06.1992)

by Roth, P.L
Published in Ind Acad Sci Proc (1971)

by Ashby, W.C., Bresnan, D.F., Roth, P.L., Preece, J.E., Huetteman, C.A.
Published in Biomass & bioenergy (1992)

by Roth P.L, Mitchell R.J
Published in USDA Forest Service General Technical Report NC (1982)

by Ashby, W.C., Bresnan, D.F., Kjelgren, R.K., Roth, P.L., Preece, J.E., Huetteman, C.A.
Published in Biomass & bioenergy (1993)

by Casey L.R, Roth P.L
Published in Proceedings of the Central States Forest Tree Improvement Conference (1976)

by Roth, P.L, Brummel, J
Published in Amer Christmas Tree J (1971)

by Preece, J.E. (Southern Illinois University, Carbondale, IL), Huetteman, C.A, Ashby, W.C, Roth, P.L
Published in Journal of the American Society for Horticultural Science (01.01.1991)

by Kraft, S.E. (Southern Illinois University, Carbondale), Roth, P.L, Thielen, A.C
Published in Journal of soil and water conservation (01.09.1989)

by Ashby, W.C. (Southern Illinois University, Carbondale, IL), Bresnan, D.F, Huetteman, C.A, Preece, J.E, Roth, P.L
Published in Journal of environmental horticulture (01.03.1991)

by Roth, P.L, Carson, W.H. Jr
Published in Proceedings of the Central States Forest Tree Improvement Conference (USA) (1976)

by Bey, C.F, Hawker, N.L, Roth, P.L
Published in Southern Conf Forest Tree Impr Proc (1971)

by Ashby, W.C, Preece, J.E, Huetteman, C.A, Bresnan, D.F, Roth, P.L
Published in Proceedings of the ... North Central Tree Improvement Conference (USA) (1987)

by Ashby, W.C, Bresnan, D.F, Kjelgren, R.K, Roth, P.L, Preece, J.E, Huetteman, C.A. (Department of Plant Biology, Southern Illinois University at Carbondale, Carbondale, IL 62901 (USA))
Published in Biomass and Bioenergy (United Kingdom) (1993)