| article html file updated | 31 August 2025 12:26 CEST | Update | https://www.mdpi.com/2304-8158/9/2/237 |
| article html file updated | 20 July 2022 20:57 CEST | Update | - |
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| article pdf uploaded. | 22 February 2020 09:13 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/237/pdf |
| article xml uploaded. | 22 February 2020 09:13 CET | Update | https://www.mdpi.com/2304-8158/9/2/237/xml |
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