Knight Bernard Howard <br/><br/>
Builders’ materials / 
Bernard H. Knight and Rena G. Knight. 
 - London :  E. Arnold,  1950. 
 - viii, 304 p.   illus.  22 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building materials
<br/><br/><label>LC Class. No.: </label>TA403