Tsatsishvili, V. (2011). Automatic Subgenre Classification of Heavy Metal Music. Master's thesis, University of Jyväskylä, Jyväskylä, Finland.
toggle visibility
Walch, F. (2023). Extreme Metal Across the Digital Divide: Music, Technology, Genre. Ph.D. thesis, The University of Texas at San Antoniohicago, Chicago, Illinois.
toggle visibility
Sabbath, J. (2021). Bienvenidos al Sabbath: Crónicas, Reseñas y Reflexiones en Torno a la Vigencia del Underground, 2001–2021. Sogamoso, Boyacá, Republic of Colombia: Nixx Editores.
toggle visibility
dos Passos, C. (2022). O metal extremo e a questão dos gêneros: a zona cinza e o princípio de contaminação. In C. Bahy, C. dos Passos, L. M. G. Khalia, & R. Barchi (Eds.), Música Extrema: ruídos, imagens e sentidos (pp. 111–134). São Paulo: Pimenta Cultural.
toggle visibility
Bleile, M. L., Luedeker, B., & Patterson, C. B. (2022). A Bayesian analysis of national heavy metal subgenre prevalence in northern Europe and the West. Metal Music Studies, 8(3), 327–350.
toggle visibility