1. Phase-Locked Loops—Theory and Applications;Stensby,1997
2. VCO sweep-rate limit for a phase-lock loop;Stensby;J. Franklin Inst.,2009
3. Phaselock Techniques;Gardner,2005
4. Improved Phase Acquisition in a Perfect Integrator Phase-Locked Loop with Sweeping and Sliding Mode Control Techniques;Lanza,2012
5. Sliding Mode Control—Theory and Applications;Edwards,1998