TY - JOUR T1 - Scale Insects: What The Arboriculturist Needs to Know About Them JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 97 LP - 103 DO - 10.48044/jauf.1978.023 VL - 4 IS - 5 AU - William E. Wallner Y1 - 1978/05/01 UR - http://auf.isa-arbor.com/content/4/5/97.abstract N2 - ER -