000 00276nam a2200121Ia 4500
100 _aDonovan, John J.
020 _a9780074604823
942 _cBK
245 _aSystems programming
260 _aTata McGraw Hill, New Delhi
_c1972
082 _a001.61 Don
300 _axviii,488
999 _c48202
_d48202