@article{olson1962analysis, title = {Analysis of the Effects of Nonlinear Elements Upon the Performance of a Back-Enclosed, Direct Radiator Loudspeaker Mechanism}, author = {Olson, Harry F.}, journal = {J. Audio Eng. Soc}, volume = {10}, number = {2}, pages = {156--162}, year = {1962}, url = {https://www.aes.org/e-lib/browse.cfm?elib=858} }