TY  - BOOK
AU  - Gamma,Erich
AU  - Helm,Richard
AU  - Johnson,Ralph
AU  - Vlissides,John
TI  - Design patterns: elements of reusable object-oriented software 
SN  - 0201633612 
AV  - QA 76.64 .D47 1994
PY  - 1994///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Object-oriented programming (Computer science)
KW  - Computer software
KW  - Reusability
KW  - Software patterns
KW  - Design problems
KW  - Structural patterns
KW  - Behavioral patterns
N1  - Includes bibliographical references (p. 375-381) and index
ER  -