@article{engel19881888, title = {1888-1988: A Hundred Years of Magnetic Sound Recording}, author = {Engel, Friedrich K.}, journal = {J. Audio Eng. Soc}, volume = {36}, number = {3}, pages = {170--174, 176, 178}, year = {1988}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5160} }