TY - JOUR T1 - Interactions Between Trees and Ground Covers JF - Arboriculture & Urban Forestry (AUF) SP - 186 LP - 187 DO - 10.48044/jauf.1981.045 VL - 7 IS - 7 AU - Steve Shoup AU - Carl E. Whitcomb Y1 - 1981/07/01 UR - http://auf.isa-arbor.com/content/7/7/186.abstract N2 - ER -