2011 Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS) Proceedings Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International. :1-4 May, 2011
2009 IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time forum Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. IEEE International. :751-755 Apr, 2009