SIEG, George. Angular Momentum: From Traditional to Progressive Satanism in the Order of Nine Angles. International Journal for the Study of New Religions, [S. l.], v. 4, n. 2, p. 251–282, 2014. DOI: 10.1558/ijsnr.v4i2.251. Disponível em: https://journal.equinoxpub.com/IJSNR/article/view/12139.. Acesso em: 6 jun. 2024.