@article{solomon1958constant, title = {Constant-S Equalizers}, author = {Solomon, B. D. and Broneer, C. S.}, journal = {J. Audio Eng. Soc}, volume = {6}, number = {4}, pages = {210--215}, year = {1958}, url = {https://www.aes.org/e-lib/browse.cfm?elib=222} }