@inproceedings {FeLuMaWUS,
	title = {Weakly Useful Sequences},
	volume = {944},
	year = {1995},
	pages = {393-404},
	publisher = {Springer Lecture Notes in Computer Science},
	organization = {Springer Lecture Notes in Computer Science},
	author = {S.A. Fenner and J.H. Lutz and E. Mayordomo}
}

