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1991 Article ​

1996 Article ​

1996 Article ​

1996 Article ​

1998-07-28 Thesis ​

2001 Article ​

2003 Article ​

2004-07-12 Thesis ​

2005 Article ​

2006 Article ​

2006-01 DFP ​

2006-12-15 Thesis ​

2007 Article ​

2007 Article ​

2008-06-16 Thesis ​

2008-10-17 Thesis ​

2012-06-26 Thesis ​

2013-06-06 Article ​

2014-09 Article ​

2015 Article ​

2015-04-01 Article ​

2015-06 DFP ​

2015-09-19 Conf. Object ​

2015-10-15 Dataset ​