1 January 1997 - 1 January 2009
| DOI | https://doi.org/10.48597/DDEP-EZFG |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2009 |
| DOI | https://doi.org/10.48597/5K9S-59FE |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2009 |
| DOI | https://doi.org/10.48597/7XNY-MAE3 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2008 |
| DOI | https://doi.org/10.48597/DDGW-E95P |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2007 |
| DOI | https://doi.org/10.48597/32K3-J7E4 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2006 |
| DOI | https://doi.org/10.48597/VJYR-EDSP |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2005 |
| DOI | https://doi.org/10.48597/XQHF-HAA8 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2004 |
| DOI | https://doi.org/10.48597/YHW5-9PTH |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2003 |
| DOI | https://doi.org/10.48597/BT93-WHX7 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2002 |
| DOI | https://doi.org/10.48597/PZU3-ER76 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2001 |
| DOI | https://doi.org/10.48597/MH4Z-2UU9 |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2000 |
| DOI | https://doi.org/10.48597/BJ5B-KQET |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 1999 |
| DOI | https://doi.org/10.48597/6CXY-NVRP |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 1998 |
| DOI | https://doi.org/10.48597/ESD8-J64J |
|---|---|
| Start time | 1 January 1997 |
| Stop time | 1 January 2009 |