TY  - BOOK
AU  - GAMMA  ERICH
TI  - DESIGN PATTERNS ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE
SN  - 9788131700075
U1  - 005.117 
PY  - 1995///
CY  - NEW DELHI
PB  - PEARSON EDUCATION
KW  - ME-IT
ER  -