Marc Development Office <br/><br/>
Information On The Marc System; Machine - Readable  Cataloguing (Marc) 

 - Washington  Library Of Congress  1974 
 - iv, 48p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>255OB288OD658
<br/><br/><label>Dewey Class. No.: </label>255OB288OD658  / K4