BibTeX entry
@article{Ball2011,
key = {Ball2011},
type = {article},
title = {In retrospect: On the Six-Cornered Snowflake},
author = {Ball, Philip},
abstract = {},
comment = {},
date_added = {2012-02-06},
date_published = {2011-12-01},
urls = {http://dx.doi.org/10.1038/480455a},
collections = {},
issn = {0028-0836},
journal = {Nature},
month = {dec},
number = 7378,
pages = {455--455},
publisher = {Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.},
shorttitle = {Nature},
url = {http://dx.doi.org/10.1038/480455a},
volume = 480,
year = 2011,
urldate = {2012-02-06}
}