| article html file updated | 12 August 2026 20:54 CEST | Update | https://www.mdpi.com/1999-4915/5/11/2690 |
| article html file updated | 6 February 2020 05:24 CET | Update | N/A |
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| article pdf uploaded. | 8 November 2013 18:12 CET | Updated version of record | https://www.mdpi.com/1999-4915/5/11/2690/pdf |
| article pdf uploaded. | 7 November 2013 14:37 CET | Version of Record | https://www.mdpi.com/1999-4915/5/11/2690/pdf-vor |
