| article html file updated | 29 August 2025 21:08 CEST | Update | https://www.mdpi.com/2076-3387/4/3/173 |
| article html file updated | 15 July 2022 23:10 CEST | Update | - |
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| article xml file uploaded | 12 September 2014 12:23 CEST | Original file | https://www.mdpi.com/2076-3387/4/3/173/xml |
| article pdf uploaded. | 7 July 2014 11:19 CEST | Updated version of record | https://www.mdpi.com/2076-3387/4/3/173/pdf |
| article pdf uploaded. | 4 July 2014 08:52 CEST | Version of Record | https://www.mdpi.com/2076-3387/4/3/173/pdf-vor |
