@INPROCEEDINGS {
	AUTHOR = "Pablo Barcel{\'o} and Pablo Mu{\~n}oz",
	TITLE = "Graph Logics with Rational Relations: The Role of Word Combinatorics",
	BOOKTITLE = "29th ACM/IEEE Symposium on Logic in Computer Science (LICS)",
	PAGES = "article 12",
	MONTH = "Jul",
	YEAR = "2014",
	ADDRESS = "Vienna, Austria",
	PUBLISHER = "IEEE Computer Society Press",
	}