@conference{feistel2007simulating, title = {Simulating the Directivity Behavior of Loudspeakers with Crossover Filters}, author = {Feistel, Stefan and Ahnert, Wolfgang and Hughes, Charles and Olson, Bruce}, booktitle = {Audio Engineering Society Convention 123}, month = {Oct}, year = {2007}, url = {https://www.aes.org/e-lib/browse.cfm?elib=14312} }