| article html file updated | 31 August 2025 06:36 CEST | Update | https://www.mdpi.com/1996-1073/12/24/4776 |
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| article pdf uploaded. | 17 December 2019 02:56 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/24/4776/pdf |
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| article html file updated | 14 December 2019 09:53 CET | Original file | - |
| article pdf uploaded. | 14 December 2019 09:51 CET | Version of Record | https://www.mdpi.com/1996-1073/12/24/4776/pdf-vor |
| article xml uploaded. | 14 December 2019 09:51 CET | Update | - |
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