"Townsend A.L." <br/><br/>
"Plumbing 1." 

 - 2nd ed. 
 - London:  Sranley Thornes (Publishers) Ltd.,  1969. 
 - xii, 364p.; 22cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0-7487-0315-2" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Plumbing
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>TH6122  / .T69