Information sources on the cement and concrete industry 
/ United Nations Industrial Development Organization 
 - New York:   United Nations Industrial Development Organization,   1972 
 - xx, 77p. 
 - UNIDO, guides to information sources  No. 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Meat industry and trade
<br/><br/><label>Universal Decimal Class. No.: </label>D 03(026);637.5.031  / L2.1