Mark X. Geske, Anant P. Godbole, Andrew A. Schaffner, Allison M. Skolnick, Garrick L. Wallstrom, “Compound Poisson approximations for word patterns under Markovian hypotheses”, Journal of Applied Probability, 32:4 (1995), 877
Dragan Banjević, Runs and Patterns in Probability, 1994, 213
Thomas M. Lewis, Wenbo V. Li, “How long does it take to see a flat Brownian path on the average?”, Statistics & Probability Letters, 16:5 (1993), 347
Anant P. Godbole, Andrew A. Schaffner, “Improved Poisson approximations for word patterns”, Advances in Applied Probability, 25:2 (1993), 334