@inproceedings{a9b7535879394251975385defa5b3863,
title = "Retractions in comparing Prolog semantics",
author = "\{Bruin, de\}, A. and \{Vink, de\}, E.P.",
year = "1990",
language = "English",
isbn = "3-540-52953-5",
series = "Lecture Notes in Computer Science",
publisher = "Springer",
pages = "180--186",
editor = "B. Rovan",
booktitle = "Mathematical Foundations of Computer Science (Proceedings 15th Symposium, MFCS'90, Bansk{\'a} Bystrica, Czechoslovakia, August 27-31,1990)",
address = "Germany",
}