Voces y Ecos 

 - irregular 
 - 1992 
<br/><br/> Existencias: [1992: 2] [1993: 5] [1994: 7/10] [1995: 11] [1997: 12-13] [1999: 14/15] [2005: 16-18] [2007: 19-20] [2008: 22] [2009: 11-26/27] [2011: 26-27] [2012: 28] 
<br/><br/><label>ISSN: </label>0328-1582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganaderia<br/>Agronomía