by MacDonald, J D, Costello, L R, Lichter, J M, Quickert, D
Published in Arboriculture & urban forestry (01.01.2004)

by MacDonald, J.D, Costello, L.R, Lichter, J.M, Quickert, D
Published in Journal of arboriculture (2004)

by Lichter, J.M. (University of California, Davis, CA), Berry, A.M
Published in Botanical gazette (Chicago, Ill.) (01.12.1991)