Stuttman.H.S. New York. <br/><br/>
Illus.Scienven.Encyclo.How It Works./20.Weld-Zwor 

 - 1st Ed. 
 -  SHS  1978 
 - 84p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>REF-671  / STU