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| article html file updated | 20 July 2022 06:15 CEST | Update | - |
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| article pdf uploaded. | 30 July 2019 08:42 CEST | Updated version of record | https://www.mdpi.com/2227-7080/7/3/52/pdf |
| article xml uploaded. | 30 July 2019 08:42 CEST | Update | https://www.mdpi.com/2227-7080/7/3/52/xml |
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| article pdf uploaded. | 27 July 2019 11:28 CEST | Version of Record | https://www.mdpi.com/2227-7080/7/3/52/pdf-vor |
| article xml file uploaded | 27 July 2019 11:28 CEST | Original file | - |
