@conference{craven2010digital, title = {Digital PWM Amplifier Using Nonlinear Feedback and Predistortion}, author = {Craven, Peter and Hand, Larry and Attwood, Brian and Andersen, Jack}, booktitle = {Audio Engineering Society Convention 128}, month = {May}, year = {2010}, url = {https://www.aes.org/e-lib/browse.cfm?elib=15426} }