Date	Author	Log	Options	Exposure
2009-11-25	Hanne	Added images in ai svg and png format	[files][create_exposure]	Waugh, Sherratt, 2006
2009-11-17	Catherine Lloyd	Updated citation to remove links and also added a place for Hanne's diagram.	[files][create_exposure]
2007-11-06	pmr2.import	committing version01 of waugh_sherratt_2006	[files][create_exposure]