PT - JOURNAL ARTICLE AU - Ron Wallace TI - Tree Contract: Alternative to Fixed Price or Unit Bid AID - 10.48044/jauf.1988.046 DP - 1988 Aug 01 TA - Arboriculture & Urban Forestry (AUF) PG - 193--194 VI - 14 IP - 8 4099 - http://auf.isa-arbor.com/content/14/8/193.short 4100 - http://auf.isa-arbor.com/content/14/8/193.full