| article html file updated | 30 August 2025 11:21 CEST | Update | https://www.mdpi.com/2077-1312/7/2/22 |
| article html file updated | 18 July 2022 00:55 CEST | Update | - |
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| article html file updated | 31 January 2019 02:43 CET | Original file | - |
| article pdf uploaded. | 30 January 2019 11:38 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/2/22/pdf |
| article xml uploaded. | 30 January 2019 11:38 CET | Update | https://www.mdpi.com/2077-1312/7/2/22/xml |
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| article pdf uploaded. | 22 January 2019 15:50 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/2/22/pdf-vor |
| article pdf uploaded. | 22 January 2019 15:44 CET | Version of Record | https://www.mdpi.com/2077-1312/7/2/22/pdf-vor |
| article xml file uploaded | 22 January 2019 15:44 CET | Original file | - |
