000 00293nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9780070635463
100 _aSumitabha Das
245 0 _a"UNIX Concepts and Applications, 4th Ed."
260 _bMcGraw Hill
365 _b695/-
942 _cBK
999 _c4600
_d4600