Biodiversity and land use : the role of organic farming  : Proceeding of the First ENOF Workshop, Bonn, 8-9 December 1995 
The European Network for Scientific Research Coordination in Organic Farming ; edited by J. Isart & J.J. Llerena 
 - Barcelona  J. Isart & J.J. Llerena  1996 
 - 155 p.  30 cm 
<br/><br/><label>ISBN: </label>849215330X 
<br/><br/><label>Subjects--Index Terms: </label>Utilizacion de la tierra Biodiversidad Congresos Agricultura organica Economia agricola