| article html file updated | 30 August 2025 13:50 CEST | Update | https://www.mdpi.com/2414-6366/4/2/60 |
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| article pdf uploaded. | 10 April 2019 12:48 CEST | Version of Record | https://www.mdpi.com/2414-6366/4/2/60/pdf |
| article xml uploaded. | 10 April 2019 12:48 CEST | Update | https://www.mdpi.com/2414-6366/4/2/60/xml |
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