TY  - BOOK
AU  - Beaudouin-Lafon, Michel  .
TI  - Object-oriented languages: basic principles and programming techniques / 
SN  - 0-412-55800-9
U1  - BV 
PY  - 1994///
CY  - London : 
PB  - Chapman & Hall , 
KW  - Computer science
ER  -