@article{Rees:1946,
	key = "Rees 1946",
	author = "D. Rees",
	title = "Note on a paper by {I. J. Good}",
	journal = JLMS,
	volume = 21,
	year = 1946,
	pages = "169-172"}

@article{Shallit:1993,
	key = "Shallit 1993",
	author = "J. O. Shallit",
	title = "On the maximum number of distinct factors
of a binary string",
	journal = GC,
	volume = 9,
	year = 1993,
	pages = "197-200"}

@article{Etzion:1999,
	key = "Etzion 1999",
	author = "T. Etzion",
	title = "Linear complexity of {de Bruijn} sequences --- old
and new results",
	journal = IEEE-IT,
	volume = 45,
	year = 1999,
	pages = "693-698"}

@article{deBruijn:1946,
	key = "de Bruijn 1946",
	author = "Bruijn, N. G. de",
	title = "A combinatorial problem",
	journal = PKNAW,
	volume = 49,
	year = 1946,
	pages = "758-764"}

@techreport{deBruijn:1975,
	key = "de Bruijn 1975",
	author = "Bruijn, N. G. de",
	title = "Acknowledgement of priority to {C. Flye Sainte-Marie}
on the counting of circular arrangements of $2n$ zeros and ones that show each
$n$-letter word exactly once",
	number = "75-WSK-06",
	month = "June",
	year = 1975,
	institution = "Department of Mathematics and Computing Science,
Eindhoven University of Technology, The Netherlands"}

@article{Fredricksen:1982,
	key = "Fredricksen 1982",
	author = "H. Fredricksen",
	title = "A survey of full length nonlinear shift register
cycle algorithms",
	journal = SIAMR,
	volume = 24,
	year = 1982,
	pages = "195-221"}

@article{Cummings:1998,
	key = "Cummings 1998",
	author = "L. J. Cummings",
	title = "Combinatorial structures in the {de Bruijn} graph",
	journal = JCMCC,
	volume = 28,
	year = 1998,
	pages = "95-100"}

@article{Lempel:1971,
	key = "Lempel 1971",
	author = "A. Lempel",
	title = "$m$-ary closed sequences",
	journal = JCT,
	volume = 10,
	year = 1971,
	pages = "253-258"}

@article{Flye.Sainte-Marie:1894,
	key = "Flye Sainte-Marie 1894",
	author = "Flye Sainte-Marie, C.",
	title = "Question 48",
	journal = LIM,
	volume = 1,
	year = 1894,
	pages = "107-110"}

@article{MartinM:1934,
	key = "M. Martin 1934",
	author = "M. H. Martin",
	title = "A problem in arrangements",
	journal = BAMS,
	volume = 40,
	year = 1934,
	pages = "859-864"}

@article{Good:1946,
	key = "Good 1946",
	author = "I. J. Good",
	title = "Normal recurring decimals",
	journal = JLMS,
	volume = 21,
	year = 1946,
	pages = "167-169"}

@article{Yoeli:1962,
	key = "Yoeli 1962",
	author = "M. Yoeli",
	title = "Binary ring sequences",
	journal = AMM,
	volume = 69,
	year = 1962,
	pages = "852-855"}

@article{Huang:1990,
	key = "Huang 1990",
	author = "Y. Huang",
	title = "A new algorithm for the generation of
binary {de Bruijn} sequences",
	journal = JA,
	volume = 11,
	year = 1990,
	pages = "44-51"}

@incollection{Street:1974,
	key = "Street 1974",
	author = "A. P. Street",
	title = "Eulerian washing machines",
	booktitle = "Combinatorial Mathematics (Proc. of the 2nd Australian
Conf.)",
	series = LNIM,
	volume = 403,
	year = 1974,
	publisher = SV,
	pages = "105-108"}

@article{Cummings&Wiedemann:1986,
	key = "Cummings and Wiedemann 1986",
	author = "L. J. Cummings and D. Wiedemann",
	title = "Embedded {de Bruijn} sequences",
	journal = CN,
	volume = 53,
	year = 1986,
	pages = "155-160"}

@article{Cummings:1983b,
	key = "Cummings 1983b",
	author = "L. J. Cummings",
	title = "Comma-free codes in the {de Bruijn} graph",
	journal = CARJM,
	volume = 2,
	number = 3,
	year = "{\noopsort{1983b}}1983",
	pages = "65-68"}