000 00293nam a2200145Ia 4500
100 _aKroenke/D.M
942 _cBK
654 _adata processing
245 _aData processing
260 _bGalgotia Pub
_aNew Delhi
_c1990
082 _a4
300 _a607
546 _aENGLISH
999 _c19536
_d19536