TY  - BOOK
AU  - Apt, Krzysztof R.
AU  - Bakker, J. W. de.
AU  - Rutten, J. J. M. M.
TI  - Logic programming languages: : constraints, functions, and objects
U1  - 001.6424 
PY  - 1993///
CY  - Cambridge, Mass.
PB  - Massachusetts Institute of Technology
KW  - Lenguajes de programación
ER  -