Guerra, Stephen Paul. 2018. "Expanded Meter and Hemiola in Baden Powell's Samba-Jazz." PhD diss., Yale University.
Guerra, Stephen Paul. 2019. "Hemiolic Metric Space in Afro-Diasporic Popular Musics." Journal of Music Theory 63: 231-260.
Guerra, Stephen Paul. 2019. "Toward a Theory of Structuring Rhythm in Improvisation in Timeline-Based Musics." MusMat: Brazilian Journal of Music and Mathematics 3: 44-60.