000 00305 a2200121 4500
080 _a519.92
_bD 687 S
245 1 _aSystem programming
_cby J.J. Donovan
260 _aNew York
_bMcGraw Hill Book Co.
_c1972
650 _aSystem Programming
100 1 _aDonovan, J.J.
_d
300 _a488 p.
901 _a127379
999 _c66361
_d66361