Ares, Jorge O. <br/><br/>
Structural and dynamic characteristics of overgrazed lands of northern Patagonia, Argentina 

 - Amsterdam  : Elsevier Science Publisher B. V.  , 1990 
 - pp. 149-175 
 - Managed Grasslands   Chapter 7  Vol. 17 .
<br/><br/> Separata de: Managed Grasslands / ed.by A.Breymeyer