DUGiDocs

1981 Article ​

1982 Article ​

1983 Article ​

1985 Article ​

1992 Article ​

1994-06-14 Thesis ​

1994-10-11 Thesis ​

1998-12-18 Thesis ​

1998-12-22 Thesis ​

1999 Review ​

1999-06-10 Thesis ​

2001 Article ​

2002-04-29 Thesis ​

2003 Article ​

2004-01-30 Thesis ​

2005-06 DFP ​

2006 Article ​

2007 Article ​

2007-02-02 Thesis ​

2007-09-28 Thesis ​

2009-04 Cont. press ​

2010 Article ​

2010-05-14 Thesis ​

2011 Article ​