TY  - BOOK
AU  - Gamma, Erich 
AU  - Richard Helm
AU  - Ralph Johnson
ED  - John Vlissides
TI  - Design patterns: elements of reusable object-oriented software 
U1  - 005.12 ERI 22
PY  - 1995///
CY  - New York
PB  - Addison -Wesley
KW  - Computer Science
KW  - Design Patterns
ER  -