Proceeding 3V 

 - New  York United Naitons USA      1976 
 - United Nations Economic Commission for Europe  V1 .
<br/><br/><label>Standard No.: </label>83894 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):75p5992,N76, L6/UN"