| article html file updated | 14 August 2026 21:19 CEST | Update | https://www.mdpi.com/1996-1073/11/1/253 |
| article html file updated | 30 August 2025 02:19 CEST | Update | N/A |
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| article xml uploaded. | 20 January 2018 11:13 CET | Update | https://www.mdpi.com/1996-1073/11/1/253/xml |
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| article pdf uploaded. | 20 January 2018 11:13 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/253/pdf |
