The Story of the Alternating Sign Matrix Conjecture, MAA Spectrum, Mathematical Associations of America, Washington, D.C., 1999. Bressoud, David M. and Propp, James, How the alternating sign matrix conjecture was solved, Notices of the American Mathematical Society, 46 (1999), 637-646. Knuth, Donald, Overlapping Pfaffians, Electronic Journal of Combinatorics, 3 no. 2 (1996). Mills, William H., Robbins, David P., and Rumsey, Howard, Jr., Proof of the Macdonald conjecture, Inventiones Mathematicae, 66 (1982), 73-87. Mills, William H., Robbins, David P., and Rumsey, Howard, Jr., Alternating sign matrices and descending plane partitions, Journal of Combinatorial Theory, Series A, 34 (1983), 340-359. Robbins, David P., The story of , The Mathematical Intelligencer, 13 (1991), 12-19. Zeilberger, Doron, Dodgson's determinant evaluation rule proved by two-timing men and women, Electronic Journal of Combinatorics, 4 no. 2 (1997). External links Determinants Lewis Carroll