TY  - BOOK
AU  - Baeza-Yates,Ricardo
AU  - Ribeiro-Neto,Berthier
TI  - Modern information retrieval
SN  - 020139829X
U1  - 025.04 
PY  - 1999///
CY  - England
PB  - Addison Wesley longman
KW  - Information storage and retrieval systems
N1  - Includes index; Bibliography: p.455-499
ER  -