Journal of mathematics & music 4 (2010): 57–74. doi:10.1080/17459737.2010.485001 info:cnr-pdr/source/autori:Cartwright JHE; Douthett J; Gonzalez D L; Krantz R; and Piro O/titolo:Two Musical Paths to the Farey Series and Devils Staircase/doi:10.1080%2F17459737.2010.485001/rivista:Journal of mathematics & music (Print)/anno:2010/pagina_da:57/pagina_a:74/intervallo_pagine:57–74/volume:4