1 January 1984 - 1 January 1988
| DOI | https://doi.org/10.48597/KP55-TY5K |
|---|---|
| Start time | 1 January 1984 |
| Stop time | 1 January 1988 |
| DOI | https://doi.org/10.48597/MVJW-SHS7 |
|---|---|
| Start time | 1 January 1984 |
| Stop time | 1 January 1987 |
| DOI | https://doi.org/10.48597/NV5U-PEN4 |
|---|---|
| Start time | 1 January 1984 |
| Stop time | 1 January 1986 |
| DOI | https://doi.org/10.48597/WH7K-C8PQ |
|---|---|
| Start time | 1 January 1984 |
| Stop time | 1 January 1985 |