@article {6004,
	title = {Molybdenum isotope constraints on the extent of late Paleoproterozoic ocean euxinia},
	journal = {Earth and Planetary Science Letters},
	volume = {307},
	year = {2011},
	pages = {450-460},
	author = {B. Kendall and G.W. Gordon and S.W. Poulton and A.D. Anbar}
}