[CL] J. H. Conway and J. C. Lagarias, Tilings with polyominoes and combinatorial group theory, J. Comb. Theor. A53, 183-208 (1990).
[DT] G. David and C. Tomei, The problem of the calissons, Amer. Math. Monthly, 96, 429-431 (1989).
[EKLP] N. Elkies, G. Kuperberg, M. Larsen and J. Propp, Alternating-sign matrices and domino tilings, Journal of Algebraic Combinatorics, 1, 111-132 and 219-234 (1992).
[K] P. W. Kasteleyn, The statistics of dimers on a lattice I. The number of dimer arrangements on a quadratic lattice, Phisica 27, 1209-1225 (1961).
[M] P. A. MacMahon, Combinatory analysis, vol. 2, Cambridge University Press, 1916; reprinted by Chelsea, New York, 1960.
[ST] N. C. Saldanha and C. Tomei, An overview of domino and lozenge tilings, Resenhas IME-USP, 2(2), 239-252, (1995).
[STCR] N. C. Saldanha, C. Tomei, M. A. Casarin Jr. and D. Romualdo, Spaces of domino tilings, Discr. Comp. Geom., to appear.
[T] W. P. Thurston, Conway's tiling groups, Amer. Math. Monthly, 97, 8, 757-773 (1990).