@inproceedings{8b71557a28c74c7590c2d35bc49e16cf,
title = "On the unification free Prolog programs",
author = "K.R. Apt and S. Etalle",
year = "1993",
doi = "10.1007/3-540-57182-5_1",
language = "English",
isbn = "3-540-57182-5",
series = "Lecture Notes in Computer Science",
publisher = "Springer",
pages = "1--19",
editor = "A.M. Borzyszkowski and S. Sokolowski",
booktitle = "Mathematical Foundations of Computer Science 1993 (Proceedings 18th International Symposium, MFCS'93, Gdansk, Poland, August 30-September 3, 1993)",
address = "Germany",
}