Syllabus for pome fruit diseases (Diapositiva) 

 - (s.l.) :  American Phytophatological Society,  1980 
 - 42 diapositivas col. 2 x 2 plg. 
 - Disease of plant  ; 23 .
 - Disease of plant  ; 23 .
<br/><br/> Nota explicativa 3 p. 
<br/><br/><label>LCCN: </label>19425 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fruta--Enfermedades.