Phase-Locked Loops Used with Masers: Atomic Frequency Standards. - Jacques Vanier; Michel Tetu (IEEE Trans. Commun., 1982)

Coherent microwave emission without population inversion: a new atomic frequency standard. - Aldo Godone; Filippo Levi; Jacques Vanier (IEEE Trans. Instrum. Meas., 1999)

The coherent population trapping passive frequency standard [Rb example]. - Jacques Vanier; Martin W. Levine; Daniel Janssen; Michael J. Delaney (IEEE Trans. Instrum. Meas., 2003)

On the use of intensity optical pumping and coherent population trapping techniques in the implementation of atomic frequency standards. - Jacques Vanier; Martin W. Levine; Daniel Janssen; Michael J. Delaney (IEEE Trans. Instrum. Meas., 2003)

Practical realization of a passive coherent population trapping frequency standard. - Jacques Vanier; Martin W. Levine; S. Kendig; Daniel Janssen; Cameron Everson; Michael J. Delaney (IEEE Trans. Instrum. Meas., 2005)