Witt, J. C.  <br/><br/>
Portland cement technology / 
J. C. Witt. 
 - 2nd ed. 
 - New york :   Chemical publishing,   c 1966.  
 - xiii, 346 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>344  344 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ceramic & allied technologies.
<br/><br/><label>Dewey Class. No.: </label>666.94 / W784p