Appraisal of computer output microfilm for library catalogues by John R Spencer 

 - Hatfield  NRCD         1974 
 - v,168p Appendix (1-8)  cm. 
<br/><br/><label>Standard No.: </label>5,004 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>20bM1495, L42