Cooper, J. I. <br/><br/>
Virus diseases of trees and shrubs 
J. I. Cooper 
 - Cambridge  Institute of Terrestrial Ecology  1979 
 - 74 p., [8] leaves of plates  ill  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Diseases and pests<br/>Shrubs--Diseases and pests<br/>Virus diseases of plants
<br/><br/><label>Dewey Class. No.: </label>634.9  / 68