00390nam a2200145Ia 4500008004100000020001500041041000800056082001900064100003800083245003500121260004500156300001500201365000700216650002100223210719s1987    xx            000 0 und d  a0070991820  aeng  a001.6424U THOU  aTHOMAS (Rebecca) and YATES (Jean)  aUser guide to the unix system.  aCalifornia.bOsborne mcGraw-Hill.,c1987  aix,716bPB  cRs  aComputer Science