Chasan, Robert. <br/><br/>
Practical problems in mathematics for welders / 
Robert Chasan. 
 - 5th ed. 
 - Clifton Park, N.Y. :  Delmar,  2009. 
 - ix, 229 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1418042293  RM180.39 9781418042295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Welding--Mathematics.