Vol. 7, 1987, No. 1-4Vol. 9, 1989, No. 1-4 (2: 2 Exemplare)Vol. 10, 1990, No. 2-4Vol. 11, 1991, No. 1-3Vol. 12, 1992, No. 1-4Vol. 13, 1993, No. 1-4Vol. 14, 1994, No. 1-4Vol. 15, 1995, No. 1-4Vol. 16, 1996, No. 1-4Vol. 17, 1997, No. 1-4Vol. 18, 1998, No. 1-5Vol. 19, 1999, No. 1-5Vol. 21, 2001, No. 1-5Vol. 22, 2002, No. 1-5Vol. 23, 2003, No. 1-5Vol. 24, 2004, No. 1-5Vol. 25, 2005, No. 1-5Vol. 26, 2006, No. 1-3 and 5