| article html file updated | 31 August 2025 04:07 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4214 |
| article html file updated | 21 August 2025 23:12 CEST | Update | - |
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| article html file updated | 15 November 2019 09:38 CET | Update | - |
| article html file updated | 5 November 2019 13:52 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 13:50 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4214/pdf |
| article xml uploaded. | 5 November 2019 13:50 CET | Update | https://www.mdpi.com/1996-1073/12/21/4214/xml |
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