BibTeX Export

@article{Authenticus:P-003-DYN,
	title = {{A counterexample to a conjecture concerning concatenation hierarchies}},
	author = {J Almeida and O Klima},
	doi = {10.1016/j.ipl.2009.09.011},
	journal = {Information Processing Letters},
	number = {1},
	pages = {4-7},
	publisher = {Elsevier Science Bv},
	type = {Article},
	volume = {110},
	year = {2009}
}