Regionalization as a tool for managing environmental resources /  
by Alisa L. Gallant 
 - Corvallis :  Environmental Protection Agency (EPA),  1989 
 - xxi, 152 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Política ambiental<br/>Planificación ambiental
<br/><br/><label>Dewey Class. No.: </label>350.8232 R336