@article {1901,
	title = {Is there a thorium-230 deficit in Arctic sediments?},
	journal = {Earth and Planetary Science Letters},
	volume = {258},
	year = {2007},
	note = {id: 711},
	month = {2007},
	pages = {516-527},
	author = {Hoffmann, S. S. and McManus, J. F.}
}
