| article html file updated | 31 August 2025 05:54 CEST | Update | https://www.mdpi.com/2313-5778/3/4/69 |
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| article pdf uploaded. | 10 December 2019 07:28 CET | Updated version of record | https://www.mdpi.com/2313-5778/3/4/69/pdf |
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| article html file updated | 6 December 2019 11:11 CET | Original file | - |
| article pdf uploaded. | 6 December 2019 11:09 CET | Version of Record | https://www.mdpi.com/2313-5778/3/4/69/pdf-vor |
| article xml uploaded. | 6 December 2019 11:09 CET | Update | - |
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