| article html file updated | 30 August 2025 05:53 CEST | Update | https://www.mdpi.com/2571-841X/1/2/12 |
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| article pdf uploaded. | 7 August 2018 12:56 CEST | Version of Record | https://www.mdpi.com/2571-841X/1/2/12/pdf |
| article xml uploaded. | 7 August 2018 12:56 CEST | Update | https://www.mdpi.com/2571-841X/1/2/12/xml |
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