| article html file updated | 30 August 2025 12:13 CEST | Update | https://www.mdpi.com/2075-4701/9/2/254 |
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| article xml uploaded. | 21 February 2019 17:00 CET | Update | https://www.mdpi.com/2075-4701/9/2/254/xml |
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| article pdf uploaded. | 21 February 2019 17:00 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/2/254/pdf |
| article html file updated | 20 February 2019 11:42 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 11:41 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/254/pdf-vor |
| article xml uploaded. | 20 February 2019 11:41 CET | Update | - |
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