TY  - BOOK
AU  - Wirfs-Brock, Rebecca
AU  - Wilkerson, Brian 
TI  - Designing object-oriented software 
SN  - 0-13-639825-7
PY  - 1990///
CY  - New Jersey: 
PB  - Prentice Hall, 
KW  - Computer science
KW  - Object oriented
ER  -