| article html file updated | 31 August 2025 07:35 CEST | Update | https://www.mdpi.com/2223-7747/9/1/44 |
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| article supplementary file uploaded. | 27 December 2019 08:49 CET | - | https://www.mdpi.com/2223-7747/9/1/44#supplementary |
| article pdf uploaded. | 27 December 2019 08:49 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/44/pdf |
| article xml uploaded. | 27 December 2019 08:49 CET | Update | https://www.mdpi.com/2223-7747/9/1/44/xml |
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