Watson, John A. <br/><br/>
Roofing systems  materials and application 
John A. Watson. 
 - Reston, Va.  Reston Pub. Co.  c1979. 
 - xii, 354 p.  ill.  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 346-347. 
<br/><br/><label>ISBN: </label>0835966879 
<br/><br/><label>LCCN: </label>78031767  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roofing.<br/>Roofs
<br/><br/><label>LC Class. No.: </label>TH2431  / .W33 / 1979 
<br/><br/><label>Dewey Class. No.: </label>695