@article{michail1973recording, title = {Recording Sound Photographically on Paper Disks}, author = {Michail, Michel S. and McFee, Richard}, journal = {J. Audio Eng. Soc}, volume = {21}, number = {3}, pages = {187--190, 192}, year = {1973}, url = {https://www.aes.org/e-lib/browse.cfm?elib=1987} }