Heavy metal – 3 special editions Heavy metal – 1988 (2 issues) Heavy metal – 1986 (4 issues) Heavy metal – 1985 (12 issues) Heavy metal – 1984 (12 issues) Heavy metal – 1983 (12 issues) Heavy metal – 1982 (12 issues) Heavy metal – 1981 (12 issues) Heavy metal – 1980 (12 issues) Heavy metal – 1979 (12 issues) Heavy metal – 1978 (12 issues) Heavy metal – 1977 (april-dec)
