Graf, Otto. <br/><br/>
Die Baustoffe, ihre Eigenschaften und ihre Beurteilung. 

 - Stuttgart,  K. Wittwer,  1947. 
 - xii, 191 p.  illus.  26 cm. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>af 48004536  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building materials.<br/>Building materials--Testing.
<br/><br/><label>LC Class. No.: </label>TA403  / .G65 
<br/><br/><label>Dewey Class. No.: </label>691