@article{wright1990an, title = {An Empirical Model for Loudspeaker Motor Impedance}, author = {Wright, Julian R.}, journal = {J. Audio Eng. Soc}, volume = {38}, number = {10}, pages = {749--754}, year = {1990}, url = {https://www.aes.org/e-lib/browse.cfm?elib=6011} }