TY  - BOOK
AU  - Sparck Jones, Karen,(Editor)
AU  - Willett,Peter
TI  - Readings in information retrieval
SN  - 1558604545
AV  - Z699 .R23 1997
PY  - 1997///
CY  - San Francisco
PB  - Morgan Kaufman
N1  - Includes bibliographical references and indexes
ER  -