TY  - BOOK
AU  - LANCASTER, F.Wilfrid
TI  - Information retrieval systems: chracterstics, testing and evaluation
U1  - 010.78 L17I 
PY  - 1968///
PB  - N.Y
KW  - INFORMATION STORAGE AND RETRIEVAL SYSTEMS
KW  - INFORMATION STORAGE AND RETRIEVAL SYSTEM
ER  -