| article html file updated | 1 September 2025 17:03 CEST | Update | https://www.mdpi.com/2073-4360/13/1/60 |
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| article html file updated | 28 December 2020 01:45 CET | Update | - |
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| article pdf uploaded. | 28 December 2020 01:42 CET | Updated version of record | https://www.mdpi.com/2073-4360/13/1/60/pdf |
| article xml uploaded. | 28 December 2020 01:42 CET | Update | https://www.mdpi.com/2073-4360/13/1/60/xml |
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| article pdf uploaded. | 25 December 2020 18:21 CET | Version of Record | https://www.mdpi.com/2073-4360/13/1/60/pdf-vor |
