Kent, Allen <br/><br/>
Textbook on mechanized information retrieval 

 - 2a. ed. 
 - New York :   J. Wiley,   1966. 
 - xx, 371 p. :   il., tablas, diagrs 
 - Library science and documentation ;   3 .
<br/><br/> Appendix, p. 336-361: Supplemental material for classroom use.     Incluye bibliografías