BibTex format
@article{Pritchard:2010:10.1038/468772b,
author = {Pritchard, J and Loeb, A},
doi = {10.1038/468772b},
journal = {Nature},
pages = {772--773--772--773},
title = {Cosmology: Hydrogen was not ionized abruptly},
url = {http://dx.doi.org/10.1038/468772b},
volume = {468},
year = {2010}
}