Automated data interchage systems panel (ADISP)  fourth session 

 - Montreal :  International Civil Aviation Organization,  1973 
 - Various pagings ;  27 cm. 
<br/><br/> Doc 9252, ADISP/1 
<br/><br/><label>ISBN: </label> USD 2.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing<br/>Transaction systems (Computer systems)
<br/><br/><label>Dewey Class. No.: </label>004.3