22 April 1987 - 6 March 1993
| DOI | https://doi.org/10.48597/BAM7-M6RU | 
|---|---|
| Start time | 22 April 1987 | 
| Stop time | 6 March 1993 | 
| Valid since | 1 May 2014 00:00:00 | 
| DOI | https://doi.org/10.48597/BAM7-M6RU | 
|---|---|
| Start time | 22 April 1987 | 
| Stop time | 6 March 1993 | 
| Valid since | 1 May 2014 00:00:00 |