00611cam a2200193 a 4500 7257 7257 567 BD-DhUAP 20210118120607.0 210118s1991 ii a 001 0 eng DLC DLC BD-DhUAP eng 005.43 MIC 23 Microsoft windows version 3.1 : user's guide for the microsoft windows operating system. USA : Microsoft Corporation, c1991. xxvi, 650 pages : illustrations ; 24 cm. Includes index. Microsoft Windows operating system. Microsoft Corporation. ddc BK 0 0 ddc 0 0 UAPCL UAPCL Reserve Stacks 2021-01-18 005.43 MIC 3010000567 2021-01-18 1 2021-01-18 BK 0 0 ddc 0 0 UAPCL UAPCL Reserve Stacks 2021-01-18 005.43 MIC 3010000575 2021-01-18 2 2021-01-18 BK