@article{Benczur:1986,
	key = "Benczur 1986",
	author = "A. Benczur",
	title = "On the expected time of the first occurrence of
every $k$ bit long patterns in the symmetric {Bernoulli} process",
	journal = ACTAMH,
	volume = 47,
	year = 1986,
	pages = "233-238"}

@article{Bender&Kochman:1993,
	key = "Bender and Kochman 1993",
	author = "E. A. Bender and F. Kochman",
	title = "The distribution of subword counts is usually normal",
	journal = EJC,
	volume = 14,
	year = 1993,
	pages = "265-275"}