Tierra firme.

v.1 no.1-4 1983; no.1-8 1983-84; no.1-6 1983-1984; v.2 1984; no.9-12 1985; no.13-16 1986; v.4 no.13-16 1986; no.17-22 1987/88; v.6 no.21-23 1988; v.5 no.17-20 1987-1989; no.23-28 1988/89; no.25-28 1989; v.7-8 no.25-30 1989-1990; no.29-32 1990; no.33-36 1991; v.9-10 no.36-40 1991-1992; no.37-40 1992; no.41-44 1993; no.45-48 1994; no.49-52 1995; no.53-56 1996; no.57-60 1997; no.61-64 1998; no.65-68 1999; no.69 2000; no.70-72 2000; no.73-76 2001; no.77-78 2001; no.77-80 2002; no.82-86 2003/04; no.85-88 2004; no.87 2004; no.88 2004; no.89-92 2005