French, H.W. <br/><br/>
Engineering technicians :  Some problems of nomenclature and classification / 
by H.W. French. 
 - Paris :  UNESCO,  1981. 
 - 144 p. ;  plans. 
 - Studies in engineering education; 7 .
<br/><br/> Incluye bibliografía 
<br/><br/><label>ISBN: </label>9231018310 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>331: 62 (100) =20 FRE No.7