Alon, N. and Friedgut, E. "On the Number of Permutations Avoiding a Given Pattern." J. Combin. Th. Ser. A.89, 133-140,
2000.Arratia, R. "On the Stanley-Wilf Conjecture for the Number
of Permutations Avoiding a Given Pattern." Electronic J. Combinatorics6,
No. 1, N1, 1-4, 1999. http://www.combinatorics.org/Volume_6/Abstracts/v6i1n1.html.Bona,
M. "Exact and Asymptotic Enumeration of Permutations with Subsequence Conditions."
Ph.D. thesis. Cambridge, MA: MIT, 1997.Bona, M. "The Solution of
a Conjecture of Stanley and Wilf for All Layered Patterns." J. Combin. Th.
Ser. A85, 96-104, 1999.Marcus, A. and Tardos, G. "Excluded
Permutation Matrices and the Stanley-Wilf Conjecture." J. Combin. Th. Ser.
A.107, 153-160, 2004.Wilf, H. "On Crossing Numbers,
and Some Unsolved Problems." In Combinatorics,
Geometry, and Probability: A Tribute to Paul Erdős. Papers from the Conference
in Honor of Erdős' 80th Birthday Held at Trinity College, Cambridge, March 1993
(Ed. B. Bollobás and A. Thomason). Cambridge, England: Cambridge
University Press, pp. 557-562, 1997.