TY  - BOOK
AU  - Frakes, William, B and Yates, Richardo Baeza 
TI  - Information retrieval 
SN  - 9788131716922
U1  - 005.74 FRA  
PY  - 2012///
CY  - Pearson education of asia 
PB  - New Delhi 
KW  - DATA FILES & DATABASE
ER  -