TY  - BOOK
AU  - Ashby, Gordon P.
AU  - Heilman, Robert L.
TI  - Introduction to I/O concepts and job control language for the IBM operating systems 360
T2  - Dickenson series in computer and information science
SN  - 0822100045
U1  - 001.6424,IBM 
PY  - 1971///
CY  - California
PB  - Dickenson
ER  -