Report of a pilot project for converting the pre-1952 national union catalog to a machine readable record :  a study sponsored by the council on library resources 

 - 52 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Catalogação<br/>Automação<br/>Catálogos
<br/><br/><label>Universal Decimal Class. No.: </label>025.3:681.5  / R425