TY  - BOOK
AU  - Freeman, Eric
AU  - Bates, Bert
AU  - Freeman, Elisabeth
AU  - Sierra, Kathy
TI  - Head first design patterns
SN  - 9788173664663
SN  - 200528081
U1  - 005.133J FRE 
PY  - 2004///
CY  - Sebastopol, CA
PB  - O'Reilly
KW  - Computer software - Development
KW  - Java (Computer program language)
N1  - Includes index
ER  -