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2012ApJ...747L...7E - Astrophys. J., 747, L7 (2012/March-1)
First cosmological constraints on the proton-to-electron mass ratio from observations of rotational transitions of methanol.
ELLINGSEN S.P., VORONKOV M.A., BREEN S.L. and LOVELL J.E.J.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): galaxies: ISM - ISM: molecules - quasars: absorption lines - quasars: individual: PKS 1830-211
Simbad objects: 6
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