RT Journal Article SR Electronic T1 The Use of Tree Growth Regulators at Florida Power & Light Company’ JF Arboriculture & Urban Forestry (AUF) FD International Society of Arboriculture SP 319 OP 321 DO 10.48044/jauf.1990.069 VO 16 IS 12 A1 John B. Tamsberg YR 1990 UL http://auf.isa-arbor.com/content/16/12/319.abstract AB