| article html file updated | 30 August 2025 12:19 CEST | Update | https://www.mdpi.com/1996-1073/12/4/737 |
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| article html file updated | 22 February 2019 16:14 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 16:12 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/737/pdf |
| article xml uploaded. | 22 February 2019 16:12 CET | Update | https://www.mdpi.com/1996-1073/12/4/737/xml |
| article xml file uploaded | 22 February 2019 16:12 CET | Original file | - |
