TY  - BOOK
AU  - Baeza-Yates,R.
AU  - Ribeiro,Berthier de Araujo Neto
TI  - Modern information retrieval
SN  - 020139829X
CY  - Harlow, England
PB  - Pearson Addison-Wesley, 1999.
KW  - Information storage and retrieval systems
N1  - Includes bibliographical references (p. 455-499) and index
ER  -