TY  - BOOK
AU  - GAMMA E/ HELM R/JOHNSON R/ VLISSIDES J
TI  - DESIGN PATTERNS - ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE
U1  - 5.117 
PB  - PEARSON EDUCATION PVT. LTD. DELHI110092
KW  - Computer
N1  - Paper Back
N2  - General
ER  -