Date	Author	Log	Options	Exposure
2010-08-25	Tommy Yu	e-notation fix	[files][create_exposure]
2010-08-05	Catherine Lloyd	Added image.	[files][create_exposure]	Niederer, Smith, 2007
2010-08-05	Catherine Lloyd	Added image and keywords.	[files][create_exposure]
2008-02-10	pmr2.import	committing version01 of niederer_smith_2007	[files][create_exposure]