Abstracts of Urban forestry :  research in progress--1979 / 
Compiled by Rowan A. Rowntree and Judith L. Wolfe 
 - Washington, D.C. :  United States Dept. of Agriculture,  1980 
 - 72 p. ;  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornamental trees<br/>Urban forestry
<br/><br/><label>Dewey Class. No.: </label>635.977