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Submitted on: 07 June 2013.
Revised on: 27 June 2013.
Accepted on: 24 July 2013.
NULL
Submitted on: 07 November 2015.
Revised on: 21 December 2015.
Accepted on: 27 December 2015.
Partner Abuse---SPRINGER PUBLISHING CO
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Submitted on: 09 February 2003.
Revised on: 04 March 2003.
Accepted on: 30 March 2003.
NULL
Submitted on: 29 March 2006.
Revised on: 12 April 2006.
Accepted on: 03 May 2006.
NULL
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