| article html file updated | 23 October 2025 07:30 CEST | Update | https://www.mdpi.com/2076-2615/9/12/1069 |
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| article html file updated | 19 December 2019 04:36 CET | Original file | - |
| article pdf uploaded. | 19 December 2019 04:31 CET | Updated version of record | https://www.mdpi.com/2076-2615/9/12/1069/pdf |
| article xml uploaded. | 19 December 2019 04:31 CET | Update | https://www.mdpi.com/2076-2615/9/12/1069/xml |
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| article pdf uploaded. | 2 December 2019 15:05 CET | Version of Record | https://www.mdpi.com/2076-2615/9/12/1069/pdf-vor |
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