RT Journal Article SR Electronic T1 Common Law Branches Off into New Directions JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 341 OP 343 DO 10.48044/jauf.1994.060 VO 20 IS 6 A1 Victor D. Merullo YR 1994 UL http://auf.isa-arbor.com/content/20/6/341.abstract AB