<Li> Jump up ^ Green 2016 . </Li> <Li> Jump up ^ Hall 2007, 88--89, 141; Green 2003; Hall 2006 . </Li> <Li> Jump up ^ Henderson and Cowan 2001; Hall 2005 . </Li> <Li> Jump up ^ Purkiss 2000, 85 - 115; Henderson and Cowan 2001; Hall 2005 . </Li>

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