@conference{klugbauerheilmeier1993a, title = {A Linear Model for Analog Sigma-Delta Amplifiers}, author = {Klugbauer-Heilmeier, Josef}, booktitle = {Audio Engineering Society Convention 94}, month = {Mar}, year = {1993}, url = {https://www.aes.org/e-lib/browse.cfm?elib=6578} }