| article html file updated | 24 December 2025 19:51 CET | Update | https://www.mdpi.com/2221-3759/8/3/13 |
| article html file updated | 1 September 2025 02:25 CEST | Update | N/A |
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| article pdf uploaded. | 16 July 2020 10:03 CEST | Updated version of record | https://www.mdpi.com/2221-3759/8/3/13/pdf |
| article xml uploaded. | 16 July 2020 10:03 CEST | Update | https://www.mdpi.com/2221-3759/8/3/13/xml |
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| article pdf uploaded. | 11 July 2020 12:19 CEST | Version of Record | https://www.mdpi.com/2221-3759/8/3/13/pdf-vor |
