00310nam a2200097Ia 4500008004100000082001800041100004500059245004100104264005800145300000900203200526s9999||||xx |||||||||||||| ||und||  a620.23  COO H  aCook, David I. , Van Haverbeke, David F. 0aTrees and Shrubs for Noise Abatement  bU.S. Department of Health Education and Welfarec1971  a77p.