TY  - BOOK
AU  - Gamma, Erich...[et al.]
TI  - Design Patterns: : elements Of reusable object-oriented software
SN  - 8178081350, 9788178081359
U1  - 005.12 
PY  - 2003///
CY  - New Delhi
PB  - Pearson Education
KW  -  Design Patterns
KW  - Computer Science
N1  - Including index
ER  -