000 00309nam a2200121Ia 4500
008 220408s1994 xx 000 0 und d
041 _aeng
082 _a001.642
_b Mah
100 _aMahalingam,Shardha
_9480411
245 _aComputer Concepts & Facts
260 _aNew Delhi
_b BPB Publ
_c1994
300 _a125p
999 _c342592
_d342592