Darryl R. Polk. Quasi-optimum digital phase-locked loops (Ph.D. Thesis abstr.). IEEE Transactions on Information Theory, 19(1):140, 1973. [doi]
@article{Polk73, title = {Quasi-optimum digital phase-locked loops (Ph.D. Thesis abstr.)}, author = {Darryl R. Polk}, year = {1973}, doi = {10.1109/TIT.1973.1054930}, url = {http://dx.doi.org/10.1109/TIT.1973.1054930}, researchr = {https://researchr.org/publication/Polk73}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {19}, number = {1}, pages = {140}, }