Van Resselaer,  P. Saxe.  <br/><br/>
Manual of structural welding practice 

 - 4a ed 
 - Baltimore :   Saxe System Welded Connection Units,   1951. 
 - p. 54 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOLDADURA<br/>ESTRUCTURAS DE METAL
<br/><br/><label>Universal Decimal Class. No.: </label>621.79[035]