TY  - BOOK
AU  - Booch, Grady  .
TI  - United modeling language user guide / 
SN  - 81-7808-169-5
U1  - BV 
PY  - 1999///
CY  - Delhi : 
PB  - Pearson Education(Singapore) Pte. Ltd. , 
KW  - Computer science
ER  -