| article html file updated | 18 August 2026 23:56 CEST | Update | https://www.mdpi.com/2073-4360/13/4/661 |
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| article html file updated | 25 February 2021 10:41 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2021 10:22 CET | Updated version of record | https://www.mdpi.com/2073-4360/13/4/661/pdf |
| article xml uploaded. | 25 February 2021 10:22 CET | Update | https://www.mdpi.com/2073-4360/13/4/661/xml |
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| article pdf uploaded. | 23 February 2021 11:53 CET | Version of Record | https://www.mdpi.com/2073-4360/13/4/661/pdf-vor |
