TY  - BOOK
AU  - Meinstein, L. S.
TI  - COMPARATIVE OPERATING SYSTEMS
U1  - 651.8 
PY  - 1970///
CY  - New York, Brandon
PB  - Systems Press
KW  - Operations Research -- Congresses
KW  - Time-Sharing Computer Systems -- Congresses
KW  - Programming (Electronic Computers)
ER  -