| article html file updated | 1 September 2025 21:02 CEST | Update | https://www.mdpi.com/2199-8531/7/1/60 |
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| article pdf uploaded. | 24 March 2021 01:43 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/1/60/pdf |
| article xml uploaded. | 24 March 2021 01:43 CET | Update | https://www.mdpi.com/2199-8531/7/1/60/xml |
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| article pdf uploaded. | 24 March 2021 01:32 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/1/60/pdf-vor |
| article html file updated | 8 February 2021 06:40 CET | Original file | - |
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| article xml uploaded. | 8 February 2021 06:39 CET | Update | - |
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| article pdf uploaded. | 7 February 2021 12:38 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/1/60/pdf-vor |
| article pdf uploaded. | 7 February 2021 12:15 CET | Version of Record | https://www.mdpi.com/2199-8531/7/1/60/pdf-vor |
