RT Journal Article SR Electronic T1 Root Growth Near Vertical Root Barriers JF Arboriculture & Urban Forestry (AUF) FD International Society of Arboriculture SP 150 OP 152 DO 10.48044/jauf.2005.018 VO 31 IS 3 A1 Smiley, E. Thomas YR 2005 UL http://auf.isa-arbor.com/content/31/3/150.abstract AB