| article html file updated | 1 September 2025 14:02 CEST | Update | https://www.mdpi.com/2311-5521/5/4/215 |
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| article html file updated | 23 November 2020 10:36 CET | Update | N/A |
| article pdf uploaded. | 23 November 2020 10:35 CET | Updated version of record | https://www.mdpi.com/2311-5521/5/4/215/pdf |
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| article html file updated | 20 November 2020 16:39 CET | Original file | N/A |
| article pdf uploaded. | 20 November 2020 16:38 CET | Version of Record | https://www.mdpi.com/2311-5521/5/4/215/pdf-vor |
| article xml uploaded. | 20 November 2020 16:38 CET | Update | N/A |
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