000 00337nam a2200145Ia 4500
008 220709s9999 xx 000 0 und d
082 _a5.12
_bGAM
100 _aGAMMA ERICH
245 0 _aDESIGN PATTERNS : ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE
250 _a1
260 _bPEARSON
300 _a0
942 _cREF
999 _c80082
_d80082