PT  - JOURNAL ARTICLE
ED  - ,
TI  - Abstract
AID  - 10.48044/joa.1987.13.1.20
DP  - 1987 Jan 01
TA  - Arboriculture &amp;amp; Urban Forestry (AUF)
PG  - 20--20
VI  - 13
IP  - 1
4099  - http://auf.isa-arbor.com/content/13/1/20.short
4100  - http://auf.isa-arbor.com/content/13/1/20.full