@article{kornei1954survey, title = {Survey of Flux-Responsive Magnetic Reproducing Heads}, author = {Kornei, Otto}, journal = {J. Audio Eng. Soc}, volume = {2}, number = {3}, pages = {145--150}, year = {1954}, url = {https://www.aes.org/e-lib/browse.cfm?elib=54} }