@booklet {Beard2002,
	title = {{Iron isotope constraints on Fe cycling and mass balance in the oxygenated Earth}},
	howpublished = {Geochimica et Cosmochimica Acta},
	volume = {66},
	number = {Supplement 1},
	year = {2002},
	pages = {A58},
	isbn = {0016-7037},
	url = {http://www.sciencedirect.com/science/journal/00167037},
	author = {Beard, B L and Johnson, C M and Von Damm, K L}
}
