TY  - BOOK
AU  -  Jessup,Leonard M.
TI  -  Information systems today / 
SN  -  0131273965
U1  -  025.04 JES 
PY  - 2006///
CY  -  Pearson : 
PB  -  Prentice Hall, 
KW  -  Information retrieval systems
N1  -  Includes bibliographical references
ER  -