Lectures from a seminar in Oslo :  proceedings of UDC and EDP 

 - 84 p. 
<br/><br/><label>ISBN: </label>82-7195-013-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reuniões
<br/><br/><label>Universal Decimal Class. No.: </label>025.45CDU(042.3)  / U58l