TY  - BOOK
AU  - Gamma, Erich...[et al]
TI  - Design patterns : : elements of reusable object-oriented software
SN  - 978020155632
U1  - 005.12 GAM 
PY  - 1995///
CY  - Reading, Mass. 
PB  - : Addison-Wesley, 
KW  -  Object-oriented programming (Computer science)
KW  - Computer software -- Reusability.
KW  - computer science
KW  - Design patterns : elements of reusable object-oriented software
ER  -