TY  - BOOK
AU  - Gamma, Erich
TI  - Design patterns:elements of reusable object-oriented software, Erich Gamma, eng
T2  - Addison-Wesley professional computing series
SN  - 0201633612
U1  - 005.12, 
PY  - 1994///
CY  - New York, Addison-Wesley, US
ER  -