Mathematics for plumbers and pipe fitters 
Lee Smith ... (et al.) 
 - 5th ed. 
 - Albany, N.Y.  Delmar Publishers Inc.  1996. 
 - 279 p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label>082737061X  RM66.16 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbing--Mathematics.<br/>Pipe fitting--Mathematics.