TY - JOUR T1 - The Need for Alternatives to Spraying: California Perspective JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 42 LP - 43 DO - 10.48044/jauf.1980.010 VL - 6 IS - 2 AU - C.S. Koehler Y1 - 1980/02/01 UR - http://auf.isa-arbor.com/content/6/2/42.abstract N2 - ER -