@article{article47fa79b2,
title   = {Bifurcation analysis for third-order phase-locked loops},
author = {Monteiro, Luiz Henrique Alves and Favaretto Filho, David Natal and Piqueira, José Roberto Castilho},
year = {2004},
doi = {10.1109/lsp.2004.824064},
journal   = {IEEE Signal Processing Letters}
}