| article html file updated | 29 August 2025 20:35 CEST | Update | https://www.mdpi.com/1999-4915/5/3/834 |
| article html file updated | 15 July 2022 22:12 CEST | Update | - |
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| article pdf uploaded. | 25 March 2013 11:44 CET | Updated version of record | https://www.mdpi.com/1999-4915/5/3/834/pdf |
| article html file updated | 25 March 2013 11:04 CET | Original file | - |
| article xml uploaded. | 25 March 2013 11:04 CET | Original file | https://www.mdpi.com/1999-4915/5/3/834/xml |
| article pdf uploaded. | 15 March 2013 15:45 CET | Updated version of record | https://www.mdpi.com/1999-4915/5/3/834/pdf-vor |
| article pdf uploaded. | 15 March 2013 13:31 CET | Version of Record | https://www.mdpi.com/1999-4915/5/3/834/pdf-vor |
