Abstracts of papers 

 - [s. l.] :  [s. e.],  [s. a.] 
 - [s. p.] 
<br/><br/><label>LCCN: </label>25864 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alimentos--Tecnologia--Congresos.
<br/><br/><label>Dewey Class. No.: </label>664  / I5 1970