@article{pieplow1970magnetic, title = {Magnetic Recording Standards and Signal-to-Noise Ratio}, author = {Pieplow, Hanswerner}, journal = {J. Audio Eng. Soc}, volume = {18}, number = {6}, pages = {648--650}, year = {1970}, url = {https://www.aes.org/e-lib/browse.cfm?elib=1461} }