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020 _aNULL
041 _aNULL
082 _a005.1/GAM/HEL
100 _a"GAMMA ERICH
245 _aDESIGN PATTERNS ELEMENTS OF REUSABLE OBJECTIVE ORIENTED SOFTWARE
250 _a JOHNSON RALPH
260 _a0
_b HELM RICHARD
_c0
300 _a13TH RP EDI
650 _a356.95
999 _c663505
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