| article html file updated | 31 August 2025 10:21 CEST | Update | https://www.mdpi.com/2076-0817/9/2/88 |
| article html file updated | 20 July 2022 18:52 CEST | Update | - |
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| article html file updated | 31 January 2020 13:12 CET | Original file | - |
| article pdf uploaded. | 31 January 2020 13:11 CET | Version of Record | https://www.mdpi.com/2076-0817/9/2/88/pdf |
| article xml uploaded. | 31 January 2020 13:11 CET | Update | https://www.mdpi.com/2076-0817/9/2/88/xml |
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