000 00317nam a2200121Ia 4500
008 211209s1991 xx 000 0 und d
041 _aeng
082 _a005.133 N91 BAC
100 _aBACH, MAURICE J
245 _aDESIGN OF UNIX OPERATING SYSTEM
260 _aNEW DELHI
_bPRENTICE-HALL OF INDIA
_c1991
300 _a471
999 _c25414
_d25414