Evaluation of the recordak    Easamatic SP-1 and SP-3 readers 

 - Hatfield  NRCD         1972 
 - v,22p,illus  cm. 
<br/><br/><label>Standard No.: </label>4,998 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>20bM1495, L25