@article{7db767607118447d9ec66a36b9294105,
title = "Earth's air pressure 2.7 billion years ago constrained to less than half of modern levels.",
keywords = "Air pressure, Atmosphere, Earth, Nitrogen isotopic composition, Rocks",
author = "S. Som and R. Buick and J.W. Hagadorn and T.S. Blake and J.M. Perreault and J. Harnmeijer and D.C. Catling",
year = "2016",
month = may,
day = "9",
doi = "10.1038/NGEO2713",
language = "English",
volume = "9",
pages = "448--451",
journal = "Nature Geoscience",
number = "6",
}