Birtwistle, G. M. <br/><br/>
DEMOS :  a system for discrete event modelling on SIMULA / 
G.M. Birtwistle. 
 - London :  MacMillan,  1979. 
 - 214 p. :  ill. ;  24 cm. 
 - Macmillan computer science series. .
<br/><br/><label>ISBN: </label>0333238818 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital computer simulation.<br/>DEMOS (Computer program).<br/>SIMULA (Computer program language).