000 00323nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aJohn J.Donovan
245 0 _aSystem Programming
250 _a1st Ed
260 _aLondon
260 _bMcGraw Hill
260 _c1972
650 _aSystem Programming
942 _cBK
999 _c11729
_d11729