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toAD1990.PhilosophicalTransasoftheRoyalSocietyofLondonA.1995,3511695:165–202.Bibcode:1995RSPTA.351..165S.doi:10.1098/rsta.1995.0028.

McCarthy,DD;Ha,elson,RA.ThePhysicalBasisoftheLeapSed.AstronomicalJournal.2008,1365:1906–1908.Bibcode:2008AJ....136.1906M.doi:10.1088/0004-6256/136/5/1906?.

Jespersen,James;Fitz-Randolph,Jane.FromSundialsToAtomicClocks:UandingTimeandFrequencyPDF.NationalInstituteofStandardsandTeology.1999:109.

Bir,ByronE.编,NBSMonograph140:TimeandFrequency:TheoryandFualsPDF:8,May1974

McCarthy,DennisD.;Seidelmann,P.Keime:FromEarthRotationtoAtomicPhysicssed.Forprovisionallimiteduse,theC1966approved"SteppedAtomicTime,"whichusedtheatomicsedwithfrequent200msadjustmentsmadeiobewithin0.1sofUT2.

Gambis,Daniel.BulletinC36.Paris:IERSEOPPC,ObservatoiredeParis.2008-07-04[2010-04-18].原始内容存档於2009-10-06.

Ahompson.2008WillBeJustaSedLonger.LiveSce.2008-12-08[2008-12-29].原始内容存档於2008-12-12.

IionalTeleunicationsUnionRadiounicatioorreendationTF.460-6:Standard-frequendtime-signalemissions.[2017-02-09].原始内容存档於2016-10-17.

SteveAllerapotionsofthediffereI–UT1.ucolick..2011-06-08[2016-02-29].原始内容存档於2016-03-04.

Cook-Anderso;Beasley,Dolores.NASADetailsEarthquakeEffetheEarth.NationalAeronautidSpaceAdministrationpressrelease.2005-01-10.原始内容存档於2011-01-27.

2

Chester,Geoff.Waitased…2015willbealittlelonger.CHIPSArticles:TheDepartmentoftheNavy''''sInformationTeologyMagazine.2015-06-15[2021-03-04].

Pit,Phil.FOLLOWUP:LeapSeds.Disagazine:BadAstronomy.2008-12-31[2021-03-05].

Jones,Graham;Bikos,Konstantihisinahurryin2020.timeanddate..2021-01-06[2021-03-06].已忽略未知参数|-date=帮助

Knapton,Sarah.TheEarthisspinningfasternowthanatanytimeihalftury.TheTelegraph.2021-01-04[2021-02-11].

WhytheU.S.WantsToEndtheLiweenTimeandSun.TheWallStreetJournal.[2017-10-31].原始内容存档於2017-11-07.

Leapsedtalksarepostponed.BBews.[2017-10-31].原始内容存档於2017-11-07.

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