| article html file updated | 31 August 2025 03:50 CEST | Update | https://www.mdpi.com/2313-0105/5/4/67 |
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| article html file updated | 14 February 2020 05:40 CET | Update | - |
| article html file updated | 13 November 2019 13:48 CET | Original file | - |
| article pdf uploaded. | 13 November 2019 13:46 CET | Updated version of record | https://www.mdpi.com/2313-0105/5/4/67/pdf |
| article xml uploaded. | 13 November 2019 13:46 CET | Update | https://www.mdpi.com/2313-0105/5/4/67/xml |
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| article pdf uploaded. | 31 October 2019 16:08 CET | Version of Record | https://www.mdpi.com/2313-0105/5/4/67/pdf-vor |
| article xml file uploaded | 31 October 2019 16:08 CET | Original file | - |
