Listening.

v.0 1965; v.1 (1966); v.1-2 1966-67; v.2 1967; v.3 1968; v.3 no.1 1968; v.3 no.2 1968; v.3 no.3 1968; v.4 1969; v.5 1970; v.6 1971; v.7-8 1972-73; v.8,no.1-v.10,no.3 1973-1975; v.9-10 1974-75; v.11-12 1976-77; v.13 1978; v.13-14 1978-79; v.14 1979; v.15-16 1980-81; v.17 1982; v.17-18 1982-83; v.18 1983; v.18-19 1983-1984; v.19 1984; v.19-20 1984-85; v.20 1985; v.20-21 1985-1986; v.21 1986; v.21-22 1986-87; v.22 1987; v.22-23 1987-1988; v.23 1988; v.24 1989; v.24-25 1989-1990; v.25 1990; v.26 1991; v.29 1994; v.30 1995; v.31 no.3 1996; v.32-33 1997-1998; v.34:no.2-3(1999); v.35:no.1-3(2000); v.36-37 2001-2002; v.38:no.1-3(2003); v.39 2004; v.39 no.2 2004; v.40 2005; v.40:no.2(2005); v.40:no.3(2005); v.41 2006; v.40 no.1 2015; 10-11; 12-13; 14-15; 16-17