@article{articlebba49782,
title   = {Using bifurcation in the determination of lock-in ranges for third-order phase-locked loops},
author = {Piqueira, José Roberto Castilho},
year = {2009},
doi = {10.1016/j.cnsns.2008.06.012},
journal   = {Communications in Nonlinear Science and Numerical Simulation}
}