@article{steinhausen1977100, title = {100 Years of Phonography}, author = {Steinhausen, H.-W.}, journal = {J. Audio Eng. Soc}, volume = {25}, number = {10/11}, pages = {896--897}, year = {1977}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3307} }