@inproceedings{DBLP:conf/iclp/LinkeTW04,
title = {On Acyclic and Head-Cycle Free Nested Logic Programs},
author = {Linke, Thomas and Tompits, Hans and Woltran, Stefan},
booktitle = {{ICLP}},
pages = {225--239},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
volume = {3132},
year = {2004}
}