The International MARC Network  bibliographic study 
prepared by the IFLA International Office for UBC for the International MARC Network Study Steering Committee 
 - London  IFLA International Office for UBC  1977 
 - 28 p. ; 29 cm. 
 - Occasional papers  No. 4 .
<br/><br/><label>ISBN: </label>X030909202 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARC System--Congresses