TY  - BOOK
AU  - Bull,Gordon M.
AU  - Packham,S.F.G.
TI  - Time-sharing systems
SN  - 0070941610
PY  - 1971///
CY  - London
PB  - McGraw-Hill
KW  - Time
KW  - sharing computer systems
N1  - Bibliography: p. 136-138
ER  -