| article html file updated | 31 August 2025 04:01 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4202 |
| article html file updated | 21 August 2025 23:11 CEST | Update | N/A |
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| article html file updated | 4 November 2019 08:05 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 08:03 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4202/pdf |
| article xml uploaded. | 4 November 2019 08:03 CET | Update | https://www.mdpi.com/1996-1073/12/21/4202/xml |
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