| article html file updated | 31 August 2025 09:39 CEST | Update | https://www.mdpi.com/2304-8158/9/2/116 |
| article html file updated | 20 July 2022 18:10 CEST | Update | - |
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| article pdf uploaded. | 3 February 2020 06:24 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/116/pdf |
| article xml uploaded. | 3 February 2020 06:24 CET | Update | https://www.mdpi.com/2304-8158/9/2/116/xml |
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| article pdf uploaded. | 21 January 2020 16:51 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/116/pdf-vor |
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