| article html file updated | 15 August 2026 15:15 CEST | Update | https://www.mdpi.com/2073-4395/9/2/42 |
| article html file updated | 11 February 2020 10:38 CET | Update | N/A |
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| article pdf uploaded. | 22 January 2019 04:52 CET | Version of Record | https://www.mdpi.com/2073-4395/9/2/42/pdf |
| article xml uploaded. | 22 January 2019 04:52 CET | Update | https://www.mdpi.com/2073-4395/9/2/42/xml |
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