@article{d81c5c37e4244a77a89681a40ec0d17f,
title = "New constraints on time-dependent variations of fundamental constants using Planck data",
keywords = "Recombination, fundamental physics, Cosmology, CMB anisotropies",
author = "Luke Hart and Jens Chluba",
year = "2018",
month = feb,
day = "21",
doi = "10.1093/mnras/stx2783",
language = "English",
volume = "474",
pages = "1850--1861",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "1365-2966",
publisher = "Oxford University Press",
number = "2",
}