TY  - BOOK
AU  - Laler, Wm. (William)
TI  - CONSTRAINT PROGRAMMING LANGUAGES
SN  - 0201062437
U1  - 001.6424 
PY  - 1988///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Bertrand (Computer Program Language)
ER  -