TY  - BOOK
AU  - Andersen,P B
TI  - Theory of computer semiotics: : Semiotic approaches to construction and assessment of computer system
T2  - Cambridge series on human-computer interaction
SN  - 0-521-39336-1
PY  - 1990///
CY  - Cambridge: 
PB  - Cambridge University Press, 
KW  - Computer science
KW  - Semiotics aspects
ER  -