Bagg, Thomas C. <br/><br/>
Information selection systems retrieval replica copies :  a-state-of-the-art report / 
[by] Thomas C. Bagg and Mary Elizabeth Stevens. 
 - [Washington :  U.S. Dept. of Commerce, National Bureau of Standards],  1961. 
 - [U.S.]. National Bureau of Standards, Technical note ;  157 .
 - NBS technical note ;  157 .
<br/><br/>Bibliography: p. 117-148. 
<br/><br/><label>LCCN: </label>62064571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems.