@conference{vonrecklinghausen1961a, title = {A Multiplex Stereo Generator}, author = {von Recklinghausen, Daniel R. and Pickett, T.W.}, booktitle = {Audio Engineering Society Convention 13}, month = {Oct}, year = {1961}, url = {https://www.aes.org/e-lib/browse.cfm?elib=333} }