Bruce, William E. <br/><br/>
Fan curve preparation using programmable pocket calculators 
Bruce, William E. 
 - Washington  Department of interior  1978 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROL DE LAS CONDICIONES AMBIENTALES
<br/><br/><label>Universal Decimal Class. No.: </label>622.4