Perry, Robert H., Ed. <br/><br/>
Engineering manual; a practical reference of design methods and data in building systems, chemical, civil, electrical, mechanical, and environmental engineering and energy conversion. Ed - 3 

 - New York  McGraw-Hill Book Co.  1976 
 - x+1-1 to 10-68+15p 
<br/><br/><label>Universal Decimal Class. No.: </label>62(021)  / PER.76