000 00234nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aLEON (ALLRIS), LEON(MATHEUS),
245 0 _aFUNDAMENTAL OF IT
260 _bLEON
942 _2ddc
_cBTECH
999 _c3428
_d3428