The Economics of environmental monitoring and enforcement 
edited by Clifford S. Russell 
 - Aldershot (England)  Ashgate Publishing Limited  2003 
 - 573 p.  25 cm 
 - International library of environmental economics and policy .
 - International library of environmental economics and policy .
<br/><br/><label>ISBN: </label>0754621960 
<br/><br/><label>Subjects--Index Terms: </label>Legislacion Vigilancia Politica ambiental Situacion economica Medio ambiente