@article{agnew2018an, title = {An Investigation of Motional Feedback Disk Recording System Design}, author = {Agnew, J.I.}, journal = {J. Audio Eng. Soc}, volume = {66}, number = {11}, pages = {966--978}, year = {2018}, url = {https://www.aes.org/e-lib/browse.cfm?elib=19872} }