Walkey, D. G. A. <br/><br/>
Applied plant virology / 
D.G.A. Walkey. 
 - London :  Heinemann,  1985. 
 - vi, 329 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Virology.<br/>Virus diseases of plants.