The following is a list of some references about sandpiles, and related topics:
Bak, Per, Chao Tang, and Kurth Wiesenfeld , ``Self-organized criticality" Physical Review A, volume 38, number 1, July 1, 1988, pages 364-374.
Bak, Per, Chao Tang, and Kurt Wiesenfeld, "Self-Organized Criticality: An Explanation of 1/f Noise, " Physical Review Letters, vol. 59, no. 4, July 27, 1987, pp. 381-384.
Bak, Per, and Kan Chen, "The Physics of Fractals," Physica D, vol. 381989, pp. 5-12.
Bak, Per, and Chao Tang, "Earthquakes as a Self-Organized Critical Phenomenon," Journal of Geophysical Research, vol. 94, no. B11, November 10, 1989, pp. 15,635-15,637.
Bak, Per, Kan Chen, and Michael Creutz, "Self-organized criticality in the 'Game of Life'," Nature, vol. 342, December 14, 1989, pp. 780- 782.
Bennet, Charles, and Marc S. Bourzutschky, "'Life' not critical?" Nature, vol. 350, April 11, 1991, p. 468.
Chen, Kan, and Per Bak, "Is the Universe Operating at a Self- Organized Critical State?" Physics Letters A, vol. 140, no. 6, October 2, 1989, pp. 299-302.
Creutz, Michael, "Abelian Sandpiles," Computers in Physics, March/April 1991, pp. 198-203.
Creutz, Michael, "On Self Organized Criticality," Nuclear Physics B (Proc. Suppl.) vol. XXX, 1992, pp. 1-3.
Dhar, Deepak, and Ramakrishna Ramaswamy, "Exactly Solved Model of Self-Organized Critical Phenomena," Physical Review Letters, vol. 63, no. 16, October 16, 1989, pp. 1659-1662.
Dhar, Deepak, "Self-Organized Critical State of Sandpile Automaton Models," vol. 64, no. 14, April 2, 1990, Physical Review Letters, pp. 1613-1616.
Kadanoff, Leo P., Sidney R. Nagel, Lei Wu, and Su-min Zhou, "Scaling and universality in avalanches," Physical Review A, vol. 39, no. 12, June 15, 1989, pp. 6524-6537.
Liu, S. H., Theodore Kaplan, and L. J. Gray, "Geometry and dynamics of deterministic sand piles," Physical Review A, vol. 42, no. 6, September 15, 1990, pp. 3207-3212.
McNamara, Bruce, and Kurt Wiesenfeld, "Self-organized criticality in vector avalanche automata," Physical Review A, vol. 41, no. 4, February 15, 1990, pp. 1867-1873.
Zhang, Yi-Cheng, "Scaling Theory of Self-Organized Criticality," Physical Review Letters, vol. 63, no. 5, July 31, 1989, pp. 470-473.