Proceedings of the 3rd congress of international congress organizers and techniques 
by Union of International Associations 
 - Brussels  Union of International Associations  1963 
 - 111p 
 - International congress science series; v.3e .
<br/><br/><label>Subjects--Topical Terms: </label><br/>International congress science
<br/><br/><label>Dewey Class. No.: </label>I585 Un3c