TY  - BOOK
AU  - Birtwistle,G.M
TI  - DEMOS: a system for discrete event modellingon Simula
U1  - 001.424 B55D 
PY  - 1979///
CY  - London
PB  - Macmillaan
KW  - COMPUTER SIMULATION
KW  - DEMOS (COMPUTER PROGRAMME)
ER  -