| article html file updated | 30 August 2025 11:09 CEST | Update | https://www.mdpi.com/2071-1050/11/2/481 |
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| article pdf uploaded. | 17 January 2019 12:40 CET | Updated version of record | https://www.mdpi.com/2071-1050/11/2/481/pdf |
| article xml uploaded. | 17 January 2019 12:40 CET | Update | https://www.mdpi.com/2071-1050/11/2/481/xml |
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