A. J. Giles

Ultra-stable cryogenic sapphire dielectric microwave resonators: mode frequency-temperature compensation by residual paramagnetic impurities

David Blair, Anthony Mann, D. Blair, 1992 .

Ultra-stable sapphire resonator-oscillator

David Blair, Anthony Mann, Andre N. Luiten, 1993 .

A high stability microwave oscillator based on a sapphire loaded superconducting cavity

David Blair, D. Blair, M. Buckingham, 1989, Proceedings of the 43rd Annual Symposium on Frequency Control.

A very high stability sapphire loaded superconducting cavity oscillator

David Blair, Anthony Mann, D. Blair, 1990 .