| article html file updated | 31 August 2025 06:59 CEST | Update | https://www.mdpi.com/2073-4360/12/1/13 |
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| article pdf uploaded. | 19 December 2019 12:56 CET | Version of Record | https://www.mdpi.com/2073-4360/12/1/13/pdf |
| article xml uploaded. | 19 December 2019 12:56 CET | Update | https://www.mdpi.com/2073-4360/12/1/13/xml |
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