000 00329nam a2200133Ia 4500
008 150520s9999||||xx |||||||||||||| ||und||
082 _a005.43 RIT
100 _a"RITCHIE, Colin"
245 _aOperating System Incorporating Unix and Windows
250 _a2003
300 _a005.43 RIT
600 _aComputer
942 _2ddc
_cBK
999 _c15088
_d15088