| article html file updated | 31 August 2025 10:02 CEST | Update | https://www.mdpi.com/2225-1154/8/2/20 |
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| article supplementary file uploaded. | 17 February 2020 12:52 CET | - | https://www.mdpi.com/2225-1154/8/2/20#supplementary |
| article pdf uploaded. | 17 February 2020 12:52 CET | Updated version of record | https://www.mdpi.com/2225-1154/8/2/20/pdf |
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| article pdf uploaded. | 27 January 2020 14:38 CET | Version of Record | https://www.mdpi.com/2225-1154/8/2/20/pdf-vor |
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