Kazumoto Hosaka, Stephen A. Webster, Peter J. Blythe, Adrian Stannard, David Beaton, Helen S. Margolis, Stephen N. Lea, Patrick Gill. An optical frequency standard based on the electric octupole transition in :::171:::Yb:::+:::. IEEE T. Instrumentation and Measurement, 54(2):759-762, 2005. [doi]
Abstract is missing.