Robert R. Henry, Frank F. Carden. Multifilter Phase-Lock Loop Nonlinear Analysis and Design Criterion. IEEE Transactions on Communications, 21(2):135-142, 1973. [doi]
@article{HenryC73,
title = {Multifilter Phase-Lock Loop Nonlinear Analysis and Design Criterion},
author = {Robert R. Henry and Frank F. Carden},
year = {1973},
doi = {10.1109/TCOM.1973.1091627},
url = {https://doi.org/10.1109/TCOM.1973.1091627},
researchr = {https://researchr.org/publication/HenryC73},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Communications},
volume = {21},
number = {2},
pages = {135-142},
}