Books  :  a marc format, specifications for magnetiptapes containing catalog records for books 

 - 5th ed 
 - Washington, D.C. :  Library of Congress,  1972 
 - 107 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marc format
<br/><br/><label>Dewey Class. No.: </label>025.316