Viruses of potatoes and seed-potato production / 
edited by J. A. de Bokx. 
 - Wageningen :  Pudoc,  1972. 
 - 233 p.:  ill.;  23 cm. 
<br/><br/><label>ISBN: </label>9022003582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potatoes--Diseases and pests.<br/>Virus diseases of plants.