Guidelines for air quality manitenance planning and analysis 

 - Washington, D.C. :  United States Government Printing Office,  1974 
 - v. ;  25 cm. 
 - Research Triangle Institute fulfilment of contract ;  no.68-02-1014 .
<br/><br/> Library has Vol.8 
<br/><br/>Vol. 8 : Computer assisted area source emissions gridding procedure 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air quality maintanence<br/>Computer--Environmental aspect
<br/><br/><label>Dewey Class. No.: </label>363.7