000 00270nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a621.381951 B118
100 _aBACH,M.J
245 0 _aDESIGN OF THE UNIX OPERATING SYSTEM
260 _aNEW DELHI
_bPHI
942 _cBB
_2DDC
999 _c5549
_d5549