TY  - BOOK
AU  - Eric Freeman
TI  - Head First Design Patterns
SN  - 0000071237
U1  - 1.539 
PY  - 2009///
CY  - New Delhi
PB  - SPD
KW  -  First
KW  -  Head
KW  -  Patterns
KW  - Computer Science Engineering
KW  - Design
ER  -