First-Order Discrete Phase-Locked Loop with Applications to Demodulation of Angle-Modulated Carrier. - Gurnam S. Gill; Someshwar C. Gupta (IEEE Trans. Commun., 1972)

Modeling and analysis of a new class of digital phase-locked loops (Ph.D. Thesis abstr.). - Gurnam S. Gill (IEEE Trans. Inf. Theory, 1972)