1979 Newsletters
No 017 - ACTSDS Newsletter MARCH 1979
No 018 - ACTSDS Newsletter JUNE 1979
No 019 - ACTSDS Newsletter JULY 1979
No 020 - ACTSDS Newsletter AUGUST 1979
No 021 - Due to mis-numbering, no newsletter was produced with this number
No 022 - ACTSDS Newsletter SEPTEMBER 1979
No 023 - ACTSDS Newsletter OCTOBER 1979
No 024 - ACTSDS Newsletter NOVEMBER 1979