TY  - BOOK
AU  - Lancaster, F. Wilfrid.
TI  - Information retrieval systems: Characteristics, testing and evaluation
PY  - 1968///
CY  - John Wiley
PB  - New York
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=7222
ER  -