Syllabus for bean diseases (Diapositiva) 

 - (s.l.) :  American Phytophatological Society,  1980 
 - 24 diapositvas col. 2 x 2 plg. 
 - Disease of plants  ; 32 .
 - Disease of plants  ; 32 .
<br/><br/> Nota explicativa 2 p. 
<br/><br/><label>LCCN: </label>19381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frijol--Enfermedades.