TY  - BOOK
AU  - Gamma,Erich
TI  - Design patterns: elements of reusable object-oriented software 
SN  - 9788131700075
U1  - 004.41 
PY  - 2011///
CY  - New Delhi
PB  - Pearson
KW  - Object-oriented programming (Computer science)
KW  - Computer software
KW  - Reusability
KW  - Software patterns
ER  -