@conference{vanderwerff1991behavior, title = {Behavior of Loudspeaker Sound in Autotunnels}, author = {van der Werff, Johan and Breuer, F.}, booktitle = {Audio Engineering Society Convention 90}, month = {Feb}, year = {1991}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5642} }