000 00357nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aLedin George
245 0 _aUnderstanding cobol
260 _aDelhi
260 _bSurjeet Publication
260 _c1988
300 _a47p.
365 _b30
650 _aCOMPUTER
942 _cDBK
999 _c19201
_d19201