TY  - BOOK
AU  - Gamma, Erich.
TI  - Design patterns: elements of reusable object-oriented software /Erich Gamma, (...)
T2  - Addison-Wesley Professional Computer Series
SN  - 0201633612
U1  - 005.1 
PY  - 1995///
CY  - Reading, Mass
PB  - A-W
ER  -