@article{roehr1982the, title = {The Autobias Amplifier: A New Topology for Automatically Biased Audio Amplifiers Using Power MOSFETs}, author = {Roehr, Bill}, journal = {J. Audio Eng. Soc}, volume = {30}, number = {4}, pages = {208--216}, year = {1982}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3847} }