Tolley's industrial and commercial gas installation practice 
Tolleys industrial and commercial gas installation practice 
 - 4th ed.  "vii, 579 p. : ill. ; 24 cm. ; hbk." 
 - Amsterdam ; London  Elsevier Newnes  2006 
<br/><br/><label>ISBN: </label>9780750669474 
<br/><br/><label>Dewey Class. No.: </label>697.043 SAX  / 2.697.043SAX