Pirone, p.p. <br/><br/>
Tree Maintenance  

 - Sixth edition  
 - New York   Oxford University   1988  
 - 514p. 
<br/><br/><label>ISBN: </label>0195043707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornamental trees
<br/><br/><label>Dewey Class. No.: </label>635.977 PIR