Friedman, Robert D. <br/><br/>
Sensitive populations and environmental standards/ 
by Robert D. Friedman. 
 - Washington:  Conservation Foundation,  1981. 
 - ix, 53 p. ;   23 cm. 
<br/><br/><label>ISBN: </label>0891640630 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--Law and legislation--United States.<br/>Environmental law--United States.<br/>Environmental health--Standards--United States.