TY  - BOOK
AU  - Gamma, Erich and Others
TI  - Design Patterns : Elements of Reusable Object Oriented Software
SN  - 005.12/GAM
SN  - 978020163
U1  - 005.12/GAM 
PY  - 1995///
CY  - Boston
PB  - Addison Wesley
ER  -