TY  - BOOK
AU  - Ledgard Henry
AU  - Singer Andrew
AU  - Whiteside John
TI  - Directions in human factors for interactive systems
U1  - 004.019 
PY  - 1981///
CY  - Berlin
PB  - Springer Verlag
KW  - Computer interactions
KW  - Computer science
KW  - Cybernatics
ER  -