@article{kogen1977record, title = {Record Changers, Turntables, and Tone Arms-A Brief Technical History}, author = {Kogen, James H.}, journal = {J. Audio Eng. Soc}, volume = {25}, number = {10/11}, pages = {749--758}, year = {1977}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3331} }