000 00274nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aC S french
245 _acomputer studies
260 _bDelhi:Galgotia
_c1990
300 _a525p.
650 _aComputer
999 _c2165
_d2165