Architectural sheet metal manual  
/ SMACNA 
 - 4th. ed. 
 - Vienna, Virginia   : SMACNA  , 1987 
 - x, 358 p.   : ill.  ; 29 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architectural metal-work --- Handbooks, manuals, etc. 
<br/><br/><label>LC Class. No.: </label>TH 1651  / A66 1987