| article html file updated | 30 August 2025 10:39 CEST | Update | https://www.mdpi.com/1996-1073/12/1/176 |
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| article pdf uploaded. | 7 January 2019 03:17 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/176/pdf |
| article xml uploaded. | 7 January 2019 03:17 CET | Update | https://www.mdpi.com/1996-1073/12/1/176/xml |
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| article html file updated | 6 January 2019 12:25 CET | Original file | - |
| article pdf uploaded. | 6 January 2019 12:24 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/176/pdf-vor |
| article xml file uploaded | 6 January 2019 12:24 CET | Original file | - |
