| article html file updated | 31 August 2025 09:04 CEST | Update | https://www.mdpi.com/2220-9964/9/1/50 |
| article html file updated | 20 July 2022 17:36 CEST | Update | - |
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| article pdf uploaded. | 23 January 2020 04:31 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/1/50/pdf |
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| article pdf uploaded. | 15 January 2020 15:40 CET | Version of Record | https://www.mdpi.com/2220-9964/9/1/50/pdf-vor |
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