The International directory of computer and information system services. 

 - London  Published for the Intergovernmental Bureau for Information Technology by Europa Publications, 
 - 3 v.  26 cm. 
 - [1st] (1969)-3d ed.(1974). 
<br/><br/>1st ed., 1969, published for the Intergovernmental Bureau for Information Technology; 2d- ed., 1971- published for the Intergovernmental Bureau for Informatics, Rome, Italy. 
<br/><br/><label>ISSN: </label>0074-4581 
 = The International directory of computer and information system services 
<br/><br/><label>LCCN: </label>70005680  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computation laboratories--Directories<br/>Electronic data processing--Directories.
<br/><br/><label>LC Class. No.: </label>QA 74  / .I65 
<br/><br/><label>Dewey Class. No.: </label>651.8