パー・バク
Bak, P. (1996). How Nature Works: The Science of Self-Organized Criticality. New York: Copernicus. ISBN 0-387-94791-4
Bak, P., Tang, C. and Wiesenfeld, K. (1987). “Self-organized criticality: an explanation of 1/f noise”. Physical Review Letters 59: 381–384. doi:10.1103/PhysRevLett.59.381. https://doi.org/10.1103/PhysRevLett.59.381.
Bak, P. (1982). “Commensurate phases, incommensurate phases, and the devil's staircase”. Reports on Progress in Physics 45: 587–629.