| article html file updated | 31 August 2025 11:35 CEST | Update | https://www.mdpi.com/2226-471X/5/1/9 |
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| article pdf uploaded. | 26 February 2020 03:32 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/1/9/pdf |
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| article pdf uploaded. | 13 February 2020 15:30 CET | Version of Record | https://www.mdpi.com/2226-471X/5/1/9/pdf-vor |
| article xml uploaded. | 13 February 2020 15:30 CET | Update | - |
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