| article html file updated | 29 August 2025 21:48 CEST | Update | https://www.mdpi.com/2079-4991/5/2/906 |
| article html file updated | 16 July 2022 00:20 CEST | Update | - |
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| article xml file uploaded | 7 July 2015 13:28 CEST | Original file | https://www.mdpi.com/2079-4991/5/2/906/xml |
| article pdf uploaded. | 9 June 2015 17:06 CEST | Updated version of record | https://www.mdpi.com/2079-4991/5/2/906/pdf |
| article pdf uploaded. | 2 June 2015 12:40 CEST | Version of Record | https://www.mdpi.com/2079-4991/5/2/906/pdf-vor |
