TY  - BOOK
T1  - OS/VS1 supervisor services and macro instructions
T2  - Systems
A1  - Sin autor
A2  - International Business Machines Corporation - IBM
LA  - English
PP  - Nueva York
PB  - [S.n.]
YR  - 1976
ED  - 3rd ed.
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dif.51126
OP  - 208
NO  - Release 6
KW  - OS/VS
ER  -