United States. Office of the Federal Register National Archives and Records Administration   <br/><br/>
CFR: protection of environment, containing a codification of documents of general applicability and future effect  (Book) 

 - Washington, D.C.  National Archives and Records Administration  1996 
 - 1138p.  25 cm. 
<br/><br/><label>Universal Decimal Class. No.: </label>351.773:628 NAT  / 11267