Dialogue.

v.1 1966; v.2 1967; v.3 1968; v.4 1969; v.5 1970; v.6 1971; v.7 1972; v.9 1974; v.10 1975-1977; v.11 1978; v.12 1979; v.14 1981; v.18 1985; v.20 1987; v.21 1988; v.25 1992; v.26, no.3-4 1993; v.27, no.1-2 1994; v.27, no.3-4 1994; v.28, no.1-2 1995; v.28, no.3-4 1995; v.29, no.1-2 1996; v.29, no.3-4 1996; v.30 1997; v.31 1998; v.32 1999; v.33 2000; v.34 2001; v.35 2002; v.36, no.1-2 2003; v.36, no.3-4 2003; v.37, no.1-2 2004; v.37, no.3-4 2004; v.38, no.1-2 2005; v.38, no.3-4 2005; v.39, no.1-2 2006; v.39, no.3-4 2006; v.40, no.1-2 2007; v.40, no.3-4 2007; index:v.1/20 1966/1987