| article html file updated | 12 August 2026 19:17 CEST | Update | https://www.mdpi.com/2075-1729/3/2/346 |
| article html file updated | 29 August 2025 20:39 CEST | Update | N/A |
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| article xml file uploaded | 24 July 2014 10:34 CEST | Original file | https://www.mdpi.com/2075-1729/3/2/346/xml |
| article pdf uploaded. | 14 June 2013 16:20 CEST | Updated version of record | https://www.mdpi.com/2075-1729/3/2/346/pdf |
| article pdf uploaded. | 22 May 2013 14:25 CEST | Version of Record | https://www.mdpi.com/2075-1729/3/2/346/pdf-vor |
