TY  - BOOK
TI  - User's guide Microsoft windows: operating system version 3.1 
AV  - QA 76.76.O63 .Us84 1994
PY  - 1994///
CY  - [S.L]
PB  - Microsoft Corp
KW  - Microsoft windows (computer program
KW  - MS-DOS ( Computer program)
N1  - IT
ER  -