000 00284nam a2200109Ia 4500
008 210324s1987 xx 000 0 und d
041 _aeng
082 _a1.6
100 _aPhilippakis, A.
_91581588
245 _aStructured Cobol
260 _aNew Delhi
_bMcgraw-Hill book Company
_c1987
999 _c1030203
_d1030203