@article {DBLP:journals/jlp/AptGP96,
	title = {A Closer Look at Declarative Interpretations},
	journal = {J. Log. Program.},
	volume = {28},
	number = {2},
	year = {1996},
	pages = {147-180},
	author = {Krzysztof R. Apt and Maurizio Gabbrielli and Dino Pedreschi}
}
