Heterofonâia.

no.2, 5-6, 13-15 1968-70; no.16-27 1971-72; no.28-39 1973-74; no.40-45 1975; no.56-59 1977-78; no.74-75 1981; no.81, 83-87 1983-84; no.89-91 1985; no.92-97 1986-87; no.100-101 1989; no.100- 103 1989-90; no.106 1992; no.111-112 1995; no.113 1995; no.114-115 1996; no.116-117 1997; no.118-119 1998; no.120-121 1999; no.118- 123 1998-2000; no.122 2000; no.123 2000; no.124 2001; no.125 2001; no.124- 127 2001-02; no.126 2002; no.127 2002; no.128 2003; no.129 2003; no.130-131 2004; no.132-133 2005; no.134-135 2006; no.136-137 2007