TY  - BOOK
AU  - Sparck Jones, Karen,
AU  - Jackson, D. M.
TI  -  The use of automatically-obtained keyword classifications for inform ation retrieval: final report 
T2  - OSTI rept.
PY  - 1969///
CY  - Cambridge
PB  - Cambridge Language Research Unit
N1  - Includes bibliographical references; Microfiche; Boston Spa, Wetherby, West Yorkshire; British Lib rary Lending Division;  1970;  1 microfiche : negative ; 11 x 15 cm
ER  -