RT Journal Article SR Electronic T1 Berries Come in Many Colors JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 29 OP 29 DO 10.48044/jauf.1975.007 VO 1 IS 2 A1 Rothenberger, Ray YR 1975 UL http://auf.isa-arbor.com/content/1/2/29.abstract AB