A. Nevsky

High Resolution Spectroscopy of a Single In+ Ion

Herbert Walther, Ekkehard Peik, Mikhail N Skvortsov, 2002 .

Compact all-solid-state continuous-wave single-frequency UV source with frequency stabilization for laser cooling of Be+ ions

S. Schiller, S. Vasilyev, I. Ernsting, 2011 .

Frequency Comparison of I2 Stabilized Lasers at 532 nm and Absolute Frequency Measurement of I2 Absorption Lines

Thomas Udem, Theodor W. Hänsch, S N Bagayev, 2002 .

Einstein Gravity Explorer–a medium-class fundamental physics mission

R. Holzwarth, M. Rothacher, A. Clairon, 2009 .