TY  - GEN
TY  - GEN
T1  - The COBOL presentation manager programming guide : for OS/2 versions 1.3 and 2.0
A1  - Dill, David
LA  - eng
PP  - New York
PB  - Van Nostrand Reinhold
YR  - 1992
UL  - https://kansalliskirjasto.finna.fi/Record/vaari.1328755
SN  - 0442012934
ER  -