000 00272nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aR Dheendayalu
245 _acomputer science
260 _bDelhi:TMH
_c1992
300 _a186p.
650 _aComputer
999 _c1857
_d1857