Oliveira, T. C. de A., Barreto, G., & Pasqual, A. M. (2013). Review of digital Emulation of Vacuum-tube Audio Amplifiers and Recent Advances in Related Virtual Analog Models. INFOCOMP Journal of Computer Science, 12(1), 10–23. Retrieved from https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/369