Kreh, Richard T. <br/><br/>
Masonry skills / 
Richard T. Kreh 
 - 6th ed. 
 - Clifton Park, NY  :  Thompson Delmar Learning ,  c2008 
 - 636 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1418037532 9781418037536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Masonry