| article html file updated | 31 August 2025 06:26 CEST | Update | https://www.mdpi.com/2077-1444/10/12/668 |
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| article pdf uploaded. | 16 December 2019 01:58 CET | Updated version of record | https://www.mdpi.com/2077-1444/10/12/668/pdf |
| article xml uploaded. | 16 December 2019 01:58 CET | Update | https://www.mdpi.com/2077-1444/10/12/668/xml |
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| article pdf uploaded. | 12 December 2019 15:29 CET | Version of Record | https://www.mdpi.com/2077-1444/10/12/668/pdf-vor |
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