Кокс и химия

1991 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1990 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1989 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1986 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1985 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1984 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1983 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1982 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1981 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1980 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1979 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

1978 г.  № 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12