![[IEEE 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium - Besancon, France (13-16 April 1999)] Proceedings of the 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium (Cat. No.99CH36313) - The optical Ca frequency standard]()
[IEEE 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium - Besancon, France (13-16 April 1999)] Proceedings of the 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium (Cat. No.99CH36313) - The optical Ca frequency standardRiehle, F.; Schnatz, H.; Lipphardt, B.; Zinner, G.; Trebst, T.; Binnewies, T.; Wilpers, G.; Helmcke, J. · 1999