000 00306nam a2200121Ia 4500
008 230416s9999||||xx |||||||||||||| ||und||
020 _a333947452
050 _aQA 76.76 R58 2003
100 _aRitchie, Colin,
245 0 _aOperating systems Incorporating UNIX & Windows
260 _c2003
942 _2lcc
_cBK
999 _c5231
_d5231