000 00314nam a2200121Ia 4500
100 _aBlackburn, Lawrence & Taylor, Marcus
020 _a0-273-02107-9
942 _cBK
245 _aIntroduction to operating systems
260 _aPitman publishing limited, London
_c1985
082 _a001.6 Bla/Tay
300 _av,88
999 _c19941
_d19941