000 00263nam a2200121Ia 4500
008 200701s2007 xx 000 0 eng d
100 _aBECK
245 0 _aSYSTEM SOFTWARE
250 _a3rd
260 _bPEARSON EDUCATION
_c2007
300 _a495
942 _2ddc
_cGE
999 _c2989
_d2989