TY  - BOOK
AU  - Ellis,David
AU  - Ellis,David
TI  - Progress and problems in information retrieval
SN  - 1856041239 :
U1  - 025.04 
PY  - 1996///
CY  - London
PB  - Library Association Pub.
KW  - Information retrieval
KW  - Data processing
N1  - Rev. ed. of: New horizons in information retrieval. 1990; Includes bibliographical references and index
ER  -