000 00294nam a2200121Ia 4500
008 241124s9999 xx 000 0 und d
100 _aLeon, A.
245 0 _aFundamentals Of Information Technology
245 0 _b22.5
260 _bVikas Publishing House Pvt Ltd
260 _c1999
942 _cBK
999 _c4212
_d4212