BOS, L. <br/><br/>
SIMPTOMS OF VIRUS DISEASES IN PLANTS 

 - 0 
 - NETHERLANDS  I. P. R.  1970 
 - 206 pag  20 cm 
 - 0  0 .
<br/><br/>PATHOGENESIS-DESCRIPTION/VIRUS-DEVIATIONS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>576.6483  / B75