TY  - BOOK
ED  - Catapult, Inc.
TI  - Microsoft Windows 3.1 step by step
T2  - Step by step
SN  - 1556155018
U1  - 005.43769 21
PY  - 1992///].
CY  - [Redmond, Washington]: 
PB  - Microsoft Press, 
KW  - Operating systems (Computers)
N1  - The official Microsoft courseware; Includes index
ER  -