TY  - BOOK
AU  - Ryan,Wilfrid Sims
AU  - Brook,Paul Wilson
AU  - Willis,Victor Alfred Charles
ED  - Great Britain
TI  - The increasing use of logical trees in the Civil Service
SN  - 0116300469
U1  - 005.1 21
PY  - 1970///.
CY  - London: 
PB  - H.M.S.O, 
KW  - Algorithms
KW  - Civil service
KW  - Communication systems
ER  -