000 00312nam a2200121Ia 4500
001 127636
008 170722s9999 xx 000 0 und d
100 _aLeon, Alexis &. leon, Mathews
245 _aIntroduction to computers. /
260 _bLeon Techworld,
_aChennai
_c1999
300 _app XXXXVi+
942 _cGEN
999 _c15231
_d15231