J. Propp. Discrete Models: Combinatorics, Computation, and Geometry, DM-CCG 2001, том AA из DMTCS Proceedings, стр. 43-58. Discrete Mathematics and Theoretical Computer Science, (2001)
W. Wallis. Combinatorial and Graph-Theoretical Problems in Linear Algebra, том 50 из The IMA Volumes in Mathematics and its Applications, Springer New York, (1993)