Syllabus for slides on tree diseases (Diapositiva) 

 - (s.l.) :  American Phytophatological Society,  1963 
 - 37 diapositivas col. 2 x 2 plg. 
 - Disease of plants  ; 12 .
 - Disease of plants  ; 12 .
<br/><br/> Nota explicativa; 12  Tambien en CD 4 3/4 plgs. 
<br/><br/><label>LCCN: </label>19431 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Árboles--Enfermedades.