Clay building materials industries in Africa :  report. 

 - New York :  United Nations,  1971. 
 - [United Nations. Document] ID/71; (ID/WG.81/27) .
 - Document (United Nations) ;  ID/71 [etc.] .
<br/><br/> "United Nations publication. Sales no.: E.71.II.B.24."  At head of title: United Nations Industrial Development Organization, Vienna.  "Including a summary of lectures presented to the workshop." 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>72171884 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay industries -- Africa -- Congresses.--Clay industries -- Africa -- Congresses.--Clay industries -- Africa -- Congresses.<br/>Brick trade -- Africa -- Congresses.--Brick trade -- Africa -- Congresses.--Brick trade -- Africa -- Congresses.
<br/><br/><label>LC Class. No.: </label>JX1977  HD9598.A1  / .A2 ID/71 
<br/><br/><label>Dewey Class. No.: </label>300/.8 s  338.4/7/6914