Environmental progress and cahallenges :   EPA's update /  
Environmental Protection Agency 
 - Washington, D.C. [EE.UU.] : Environmental Protection Agency, 1988 
 - 140 p. :   il. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>AGENCIA DE PROTECCIÓN AMBIENTAL, E.U.A.--INFORMES
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROTECCIÓN DEL MEDIO AMBIENTE--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>353.9282321 A265e 1988