Holdings
1985,7.8.14 ; 1989,15-26 ; 1990,1-19.21-26 ; .1991,1-26 ; 1992,3.4.6-11.13-17.19.20.25-28.32-35 ; 1994,16.18.20-25.27-29.32-35 ; 1995,1-7.9-16.19-25.27.29.31.33-37.39-41 ; 1996,1-8.10-15.18-29.34.36-51/52 ; 1997,1.2.4-33.35-47.49-52 ; 1998,1-10.12-32.34.36-39.41.42.44-52/53 ; 1999,1-30.32.33.35-51/52 ; 2000,1-36.38-51/52 ; 2001,1.2.4-6.8-10.13-15.17.19.20.22-25.29-38.40.41.46-48.502002,2.4.5.10-17.22-24.33.34.46-512003,1-14.16-21.24.[26]-28.30-32.34-37.39.41-48.50-51/52 ; 2004,1-3.5-8.10-22.24-31.33.37-40.42-44.46-49.51.52/53 ; 2005,2-6.8-11.14.17.19.22.23.25-28.31.32.34.35