1 January 1990 - 1 January 1991
| DOI | https://doi.org/10.48597/WRVM-WKRU |
|---|---|
| Start time | 1 January 1990 |
| Stop time | 1 January 1991 |
| DOI | https://doi.org/10.48597/55Q4-QHR5 |
|---|---|
| Start time | 1 January 1989 |
| Stop time | 1 January 1990 |
| DOI | https://doi.org/10.48597/WGSZ-8NPK |
|---|---|
| Start time | 1 January 1988 |
| Stop time | 1 January 1989 |
| DOI | https://doi.org/10.48597/F6G6-5MUB |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 1998 |
| DOI | https://doi.org/10.48597/2TDE-GTQB |
|---|---|
| Start time | 1 January 1987 |
| Stop time | 1 January 1988 |