Julija Bagdonaite, Paul Jansen, Christian Henkel et Hendrick L. Bethlem, « A Stringent Limit on a Drifting Proton-to-Electron Mass Ratio from Alcohol in the Early Universe », Science, vol. 339, , p. 46–48 (DOI10.1126/science.1224898, Bibcode2013Sci...339...46B, lire en ligne, consulté le )
Julija Bagdonaite, Paul Jansen, Christian Henkel et Hendrick L. Bethlem, « A Stringent Limit on a Drifting Proton-to-Electron Mass Ratio from Alcohol in the Early Universe », Science, vol. 339, , p. 46–48 (DOI10.1126/science.1224898, Bibcode2013Sci...339...46B, lire en ligne, consulté le )
Julija Bagdonaite, Paul Jansen, Christian Henkel et Hendrick L. Bethlem, « A Stringent Limit on a Drifting Proton-to-Electron Mass Ratio from Alcohol in the Early Universe », Science, vol. 339, , p. 46–48 (DOI10.1126/science.1224898, Bibcode2013Sci...339...46B, lire en ligne, consulté le )