000 00343pam a2200145 a 4500
020 _c
041 _aeng
082 _a005.117
_bGAM
100 _aErich Gamma .
245 _aDesign Patterns Elemets Of Reusalle Object
_hTextual Documents
250 _a2008.
260 _aNew Delhi
_bPearson Education
300 _a396 pg .
930 _a6305
999 _c83219
_d83219