@article {111261,
	title = {Authigenic Carbonate and the History of the Global Carbon Cycle},
	journal = {Science},
	volume = {239},
	year = {2013},
	pages = {540-543},
	author = {Schrag, D.P. and Higgins, J.A. and MacDonald, F. A. and Johnston, D. T.}
}
