@article {2007,
	title = {On the isolation of elemental carbon (EC) for micro-molar 14C accelerator mass spectrometry: development of a hybrid reference material for 14C-EC accuracy asssurance, and a critical evaluation of the thermal optical kinetic (TOK EC isolation procedure},
	journal = {Atmospheric Chemistry and Physics},
	volume = {5},
	year = {2005},
	note = {id: 631},
	month = {2005},
	pages = {2833-2845},
	author = {Currie, L. A. and Kessler, J. D.}
}
