P. Stockwell

Review of feedback and feedforward noise reduction techniques

Eugene Ivanov, E. Ivanov, C. McNeilage, 1998, Proceedings of the 1998 IEEE International Frequency Control Symposium (Cat. No.98CH36165).

A review of sapphire whispering gallery-mode oscillators including technical progress and future potential of the technology

E. Ivanov, D. Green, C. McNeilage, 2004, Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2004..