000 00250nam a2200097Ia 4500
008 230508s2012 xx 000 0 und d
041 _aeng
100 _aWILLIAMS TIMOTHY J.
245 _aMCQS IN COMPUTER SCIENCE
260 _bTATA MCGRAWHILL EDUC
_c2012
999 _c717832
_d717832