Glas.

no.1-2 1991; no.1-3 1991-92; no.3 1992; no.1-3 1993; no.4-6 1993; no.4 1993; no.4-5 1993; no.5-8 1993-1994; no.6-7 1993-94; no.7-8 1994; no.8 1994; no.9-10 1995; 1996 no.11-13; no.11 1996; no.12-13 1996; no.14-15 1997; no.14-16 1997/1998; no.16-17 1998; no.16 1998; no.17 1998; no.17-18 1998; no.18-19 1998; no.18 1998; no.18-19 1998-1999; no.20-22 1999; no.21-23 1999-2000; no.23-25 2000; no.24-25 2000; no.26 2001; no.27 2001; no.28-29 2002; no.28 2002; no.29-30 2002-2003; no.30 2003; no.31 2003; no.31-33 2003-2004; no.33 2004; no.34-35 2004; no.35 2004; no.36 2005; no.36-37 2005; no.37 2005; no.38 2005; no.38-39 2005-2006; no.40 2006; no.41 2007; no.42 2007; no.43 2008