Bos, L.,  1928- <br/><br/>
Symptoms of virus diseases in plants / 
L. Bos 
 - Wageningen :  Institute for Phytopahtological Research,  1963 
 - 208 p.  ill. ;  21 cm. 
<br/><br/> "With indexes of names of symptoms in English, Dutch, German, French, Italian, and Spanish" 
<br/><br/>Bibliography: p. 141-163 
<br/><br/><label>ISBN: </label> USD 6.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants<br/>Virus diseases of plants
<br/><br/><label>Dewey Class. No.: </label>581.234