@article{f9addcebe43d40e1ac8641ed99b71467,
title = "Natural and anthropogenic variations in methane sources during the past two millennia",
author = "Sapart, \{C. J.\} and G. Monteil and M. Prokopiou and \{van de Wal\}, \{R. S. W.\} and Kaplan, \{J. O.\} and P. Sperlich and Krumhardt, \{K. M.\} and \{van der Veen\}, C. and S. Houweling and Krol, \{M. C.\} and T. Blunier and T. Sowers and P. Martinerie and E. Witrant and D. Dahl-Jensen and T. Rockmann",
year = "2012",
month = oct,
day = "4",
doi = "10.1038/nature11461",
language = "English",
volume = "490",
pages = "85--88",
journal = "Nature",
issn = "0028-0836",
publisher = "Nature Research",
number = "7418",
}