| article html file updated | 31 August 2025 04:39 CEST | Update | https://www.mdpi.com/2409-9279/2/4/86 |
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| article pdf uploaded. | 15 November 2019 07:14 CET | Version of Record | https://www.mdpi.com/2409-9279/2/4/86/pdf |
| article xml uploaded. | 15 November 2019 07:14 CET | Update | https://www.mdpi.com/2409-9279/2/4/86/xml |
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