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Submitted on: 23 December 2012.
Revised on: 20 January 2013.
Accepted on: 11 February 2013.
___________________CAMERA OBSCURA---DUKE UNIV PRESS
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Submitted on: 19 October 2003.
Revised on: 26 November 2003.
Accepted on: 25 December 2003.
___________________CAMERA OBSCURA---DUKE UNIV PRESS
Submitted on: 09 November 2004.
Revised on: 13 January 2005.
Accepted on: 10 March 2005.
___________________CAMERA OBSCURA---DUKE UNIV PRESS