DUGiDocs

1990-11 Article ​

1991 Article ​

1992 Article ​

1993 Article ​

1993 Article ​

1994 Article ​

1994 Article ​

2002 Article ​

2005 Article ​

2006 Article ​

2009-11-12 Conf. Object ​

2011-10-21 Thesis ​

2013-06 DFP ​

2014 Article ​

2014-09 MFP ​

2015-09 DFP ​

2016 Article ​

2016 Article ​

2016-06 DFP ​

2016-07 DFP ​

2017-09 DFP ​

2019 Article ​

2019-05-10 Article ​

2019-12-13 Thesis ​