Universal decimal classification. UDC 678/679 macromolecular materials, industries based on stone and other processable materials 

 - 4th ed. 
 - London :   British Standards Institution,   1954. 
 - 35 páginas 
 - FID. Publicaçao ; no. 179 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materiales
<br/><br/><label>Subjects--Index Terms: </label>Cdu Clasificacion Decimal Universal