RT Journal Article SR Electronic T1 Customer Attitude Awareness JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 269 OP 270 DO 10.48044/jauf.1980.063 VO 6 IS 10 A1 Gary H. Maier YR 1980 UL http://auf.isa-arbor.com/content/6/10/269.abstract