Perry, J W <br/><br/>
Tools for machine literature searching;   Semantic code dictionary, equipment, procedures 

 - New York:   Interscience Publishers, Inc.,  1958 
 - 972p. 
 - Library science and documentation .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Literature 
<br/><br/><label>Subjects--Index Terms: </label>Searching 
<br/><br/><label>Universal Decimal Class. No.: </label>D 002.621.9(73)  / J8