| article html file updated | 31 August 2025 04:43 CEST | Update | https://www.mdpi.com/2199-8531/5/4/91 |
| article html file updated | 19 July 2022 23:33 CEST | Update | N/A |
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| article html file updated | 16 November 2019 11:01 CET | Original file | N/A |
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| article xml uploaded. | 16 November 2019 11:00 CET | Update | https://www.mdpi.com/2199-8531/5/4/91/xml |
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