@article{jarvis1969a, title = {A Modular Audio Facilities Mixing System}, author = {Jarvis, John P.}, journal = {J. Audio Eng. Soc}, volume = {17}, number = {1}, pages = {61--64, 66}, year = {1969}, url = {https://www.aes.org/e-lib/browse.cfm?elib=1604} }