TY  - BOOK
AU  - GAMMA, Erich
AU  - HELM, Richard
TI  - Design patterns: Elements of reusable object oriented software
T2  - Addison wesley professional computing series
SN  - 8178081350
U1  - 005.1 
PY  - 1995///
CY  - DELHI
PB  - PEARSON EDUCATION
KW  - COMPUTER ALGORITHMS
KW  - COMPUTER PROGRAMMING
ER  -