TY  - BOOK
AU  - Houghton Bernard
AU  -  Convey John.
TI  - On line information retrieval systems :  An introductory mannual to principles and practice
U1  - D65,8(2:55), M4 (2) 
PY  - 1984///
CY  - London
PB  - Clive Bingley      
KW  - ENGINEERING
ER  -