Downing, Paul B <br/><br/>
Environmental economics and policy 

 - Boston  Little brown and company  1984 
 - xv, 334p.; 22cm. 
<br/><br/><label>ISBN: </label>316191809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy<br/>Environmental problems<br/>Pollution<br/>Pollution, control