@article{becker1962criteria, title = {Criteria for Compatible AM-FM Stereo as an Interim Method for FM Multiplex Stereo}, author = {Becker, Floyd K.}, journal = {J. Audio Eng. Soc}, volume = {10}, number = {1}, pages = {27--30}, year = {1962}, url = {https://www.aes.org/e-lib/browse.cfm?elib=879} }