| article html file updated | 16 August 2026 08:44 CEST | Update | https://www.mdpi.com/1648-9144/55/8/502 |
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| article html file updated | 22 August 2019 09:45 CEST | Original file | N/A |
| article pdf uploaded. | 22 August 2019 09:43 CEST | Updated version of record | https://www.mdpi.com/1648-9144/55/8/502/pdf |
| article xml uploaded. | 22 August 2019 09:43 CEST | Update | https://www.mdpi.com/1648-9144/55/8/502/xml |
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| article pdf uploaded. | 19 August 2019 16:53 CEST | Version of Record | https://www.mdpi.com/1648-9144/55/8/502/pdf-vor |
| article xml file uploaded | 19 August 2019 16:53 CEST | Original file | N/A |
