TY - JOUR T1 - Tree Contract: Alternative to Fixed Price or Unit Bid JF - Arboriculture & Urban Forestry (AUF) SP - 193 LP - 194 DO - 10.48044/jauf.1988.046 VL - 14 IS - 8 AU - Ron Wallace Y1 - 1988/08/01 UR - http://auf.isa-arbor.com/content/14/8/193.abstract ER -