000 00262nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aLEON(ALEXIS), LEON(MATHEW),
245 0 _aDATA BASE MANAGMENT SYSTEM
250 _a2002
260 _bLEON
942 _2ddc
_cBTECH
999 _c4544
_d4544