@conference{fels1996method, title = {Method and Apparatus for Multichannel Sound Reproduction}, author = {Fels, Peter and Wüstenhagen, U. and Steinke, Gerhard}, booktitle = {Audio Engineering Society Convention 100}, month = {May}, year = {1996}, url = {https://www.aes.org/e-lib/browse.cfm?elib=7505} }