| article html file updated | 31 August 2025 07:28 CEST | Update | https://www.mdpi.com/1999-4915/12/1/27 |
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| article pdf uploaded. | 25 December 2019 12:01 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/27/pdf |
| article xml uploaded. | 25 December 2019 12:01 CET | Update | https://www.mdpi.com/1999-4915/12/1/27/xml |
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