Economic and social value of the Magna Plan :  geological map of Spain at a scale of 1:50:000 = Economica y social del Plan Magna : de cartografia geologica a escala 1:50:000 / 
 Evaluacion economica y social del plan Magna 
Instituto Geologico y Minero de Espana. 
 - Madrid:   Instituto Geologico y Minero de Espana,   2005.  
 - 57 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 50-51). 
<br/><br/><label>ISBN: </label>9788478406135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics<br/>Economic policy
<br/><br/><label>Dewey Class. No.: </label>553.6