Childe, H. L. <br/><br/>
Concrete products and cast stone / 
H. L. Childe. 
 - 9th ed. 
 - London :  Concrete,  1961. 
 - vi, 313 p. :  ill. ;  23 cm. 
 - Concrete series. .
<br/><br/> Includes index. 
<br/><br/>334  334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building materials.
<br/><br/><label>Dewey Class. No.: </label>691.3 / C437c