@article{linkwitz1978passive, title = {Passive Crossover Networks for Noncoincident Drivers}, author = {Linkwitz, Siegfried H.}, journal = {J. Audio Eng. Soc}, volume = {26}, number = {3}, pages = {149--150}, year = {1978}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3287} }