Diseases and pests on horticultural planting material :    a guide t o their recognition /  
[Prepared by P. Aitkenhead and J. A. Tomlinson . 
 - London :    H.M. Stationery Off.,    1953. 
 - iv, 37 p. :    ill. ;    22 cm. 
<br/><br/><label>LCCN: </label>55-042496 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant diseases.<br/> Garden pests.
<br/><br/><label>Gov. Doc. Class. No.: </label>G. GB A31 (02)1953/1