Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleDer lange Weg zur optischen Uhr.AuthorsHaake, Fritz; Udem, ThomasPublicationPhysik in Unserer Zeit, 2005, Vol 36, Issue 6, p258ISSN0031-9252Publication typeArticleDOI10.1002/piuz.200590095