| article html file updated | 30 August 2025 10:46 CEST | Update | https://www.mdpi.com/2076-0760/8/1/13 |
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| article html file updated | 9 January 2019 07:29 CET | Original file | N/A |
| article pdf uploaded. | 9 January 2019 07:28 CET | Version of Record | https://www.mdpi.com/2076-0760/8/1/13/pdf |
| article xml uploaded. | 9 January 2019 07:28 CET | Update | https://www.mdpi.com/2076-0760/8/1/13/xml |
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