| article html file updated | 30 August 2025 20:51 CEST | Update | https://www.mdpi.com/2079-3197/7/2/28 |
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| article html file updated | 26 June 2019 10:11 CEST | Original file | N/A |
| article pdf uploaded. | 26 June 2019 10:10 CEST | Updated version of record | https://www.mdpi.com/2079-3197/7/2/28/pdf |
| article xml uploaded. | 26 June 2019 10:10 CEST | Update | https://www.mdpi.com/2079-3197/7/2/28/xml |
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| article pdf uploaded. | 6 June 2019 17:17 CEST | Version of Record | https://www.mdpi.com/2079-3197/7/2/28/pdf-vor |
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