Information surces on the cement and concrete industry 

 - New  York United Naitons USA      1977 
 - "xii, 91p."  cm. 
 - Its gudies to informaiton sources.2 .
<br/><br/> Bib p. 88-9 
<br/><br/><label>Standard No.: </label>107577 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Sicence
<br/><br/><label>Dewey Class. No.: </label>"24(X9(D35)g, L7/UN"