| article html file updated | 31 August 2025 08:06 CEST | Update | https://www.mdpi.com/2223-7747/9/1/63 |
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| article supplementary file uploaded. | 3 January 2020 07:18 CET | - | https://www.mdpi.com/2223-7747/9/1/63#supplementary |
| article pdf uploaded. | 3 January 2020 07:18 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/63/pdf |
| article xml uploaded. | 3 January 2020 07:18 CET | Update | https://www.mdpi.com/2223-7747/9/1/63/xml |
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