Tree maintenance / 
P.P. Pirone, J. R. Hartman, M. A. Sall, and T. P. Pirone 
 - Sixth edition 
 - New York :  Oxford University Press,  1988 
 - ix, 514 pages :  illustrations ;  24 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780195043709 (hardback)  0195043707 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornamental trees --Diseases and pests<br/>Trees, Care of
<br/><br/><label>LC Class. No.: </label>SB761 T74