@conference{matusiak2001design, title = {Design principles for symmetrical band-pass loudspeaker systems of sixth and eighth order}, author = {Matusiak, Grzegorz and Dobrucki, Andrzej}, booktitle = {Audio Engineering Society Convention 110}, month = {May}, year = {2001}, url = {https://www.aes.org/e-lib/browse.cfm?elib=10006} }