Laser physics at the limits edited by H. Figger, D. Meschede and C. Zimmermann - Berlin Springer 2002 - xxxiv, 522p. ISBN: 3-540-42418-0 Subjects--Topical Terms: Atomic clocksCold atomsLaser frequencyLaser spectroscopyOptical hydrogen clock Universal Decimal Class. No.: 53:621.375.826 / FIG