TY  - BOOK
AU  - Dewdney,A.K.
TI  - The armchair universe: an exploration of computer worlds 
SN  - 071671938X
PY  - 1988///
CY  - New York, N.Y.
PB  - W.H. Freeman and Company
KW  - Microcomputers
KW  - Programming
KW  - Computer software
N1  - Includes bibliographical references : (p. 309-313) and index
ER  -