PACT :

no.1 1977; no.2 1978; no.3 1979; no.4 1980; no.5 1981; v.5 1981; no.6 1982; no.7,pt.1 1982; no.7,pt.2 1982; no.8 1983; no.9 1983; v.7 no.1; v.7 no.2; v.8 1983; no.10 1984; v.10; v.10 1984; no.11 1985; v.11 1985; no.12-13 1985-1986; v.15 1986; no.16 1987; no.17 1987; no.18 1987; no.19 1987; no.20 1988; no.21 1988; no.22 1988; no.23 1989; no.24 1989; no.25 1990; no.27 1990; no.28 1990; no.29 1990; no.31 1990; no.26 1991; no.32 1991; no.33 1991; no.34 1992; no.37 1992; v.36 yr.1992; no.38 1993; no.41 1994; no.42 1994; v.40 yr.1994; v.45 yr.1994; v.47 yr.1995; v.49 yr.1995; v.50 yr.1995; v.51 yr.1996; v.52 yr.1997; v.54 yr.1998; v.55 yr.1998; v.56 yr.1998; v.57 yr.1999