| article html file updated | 30 August 2025 21:18 CEST | Update | https://www.mdpi.com/2227-7390/7/6/555 |
| article html file updated | 20 July 2022 15:24 CEST | Update | - |
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| article pdf uploaded. | 18 June 2019 12:18 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/555/pdf |
| article xml uploaded. | 18 June 2019 12:18 CEST | Update | https://www.mdpi.com/2227-7390/7/6/555/xml |
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