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"au:"Wim Ubachs"" — arXiv2 Search
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Jan 26, 2011
Search for cosmological mu variation from high redshift H2 absorption; a status report
Jan 22, 2010
Keck telescope constraint on cosmological variation of the proton-to-electron mass ratio
Jan 22, 2010
New limit on a varying proton-to-electron mass ratio from high-resolution optical quasar spectra