@misc{1157081, author = {H Akima}, title = {The error rates in multiple FSK systems and the signal-to-noise characteristics of FM and PCM-FS systems.:}, year = {1963}, month = {1963-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.167}, language = {en}, }