| article html file updated | 31 August 2025 08:05 CEST | Update | https://www.mdpi.com/1996-1073/13/1/230 |
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| article pdf uploaded. | 3 January 2020 11:11 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/230/pdf |
| article xml uploaded. | 3 January 2020 11:11 CET | Update | https://www.mdpi.com/1996-1073/13/1/230/xml |
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