Irrigation versus desert in the central Ebro basin  : Sixth international conference on geomorphology : Zaragoza 2005 : Field trip guide B-8 
J. Herrero Isern 
 - 23 p.  il. n.  24 cm 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Cuenca del Ebro<br/>Valle del Ebro<br/>Comarca de Los Monegros
<br/><br/><label>Subjects--Index Terms: </label>Congresos Geomorfologia Zona arida Riego