Volume 38, C2, August 2014, Pages 359-376
Volume 37, C+, December 2013, Pages 367-381
Volume 37, Issue 1, February 2013, Pages 33-51
Volume 36, Issue 1, January 2012, Pages 103-109
Volume 34, Issue 1, January 2010, Pages 35-48
Volume 32, Issue 5, January 2008, Pages 437-450
Volume 30, Issue 1, January 2006, Pages 21-30