Proceedings 

 - New  York United Naitons USA      1975 
 - "iv, 198p."  cm. 
 - United Naitons Economic Commission on for Europe publicaitons .
<br/><br/><label>Standard No.: </label>110649 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Travel Industry
<br/><br/><label>Dewey Class. No.: </label>"X9(U8):75.5.N7, L5/UN"