World information directory of industrial technology and investment support services. 

 - Vienna, Austria :    INTIB/UNIDO, Vienna International Centre,    19 97- 
 - v. ;    30 cm. 
 - Biennial. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Business information services -- Directories.<br/> Industries -- Information services -- Directories.<br/> Technology -- Information services -- Directories.<br/> Investments -- Information services -- Directories.