TY  - BOOK
AU  - Kiewitt, Eva L.
TI  - Evaluating information retrieval systems: the probe program
SN  - 0313205213
U1  - 025.52 21st ed.
PY  - 1979///
CY  - England
PB  - Greenwood Press
KW  - Information storage and retrieval systems - Evaluation
N1  - Bibliography: p. 153-68 includes index
ER  -