000 00315nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aLeland L.Beck
245 0 _aSystem Software
250 _a2nd Ed
260 _a-
260 _bAddition Wesely
260 _c1990
650 _aSystem Software
942 _cBK
999 _c17406
_d17406