Proceedings 

 - (s.l. : s.e.) 
 - (s.a.),  103 p. 
<br/><br/><label>LCCN: </label>53590 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Árboles--Enfermedades.
<br/><br/><label>Dewey Class. No.: </label>634.96  / W4