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| article html file updated | 21 July 2022 20:58 CEST | Update | N/A |
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| article pdf uploaded. | 17 June 2020 03:47 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/6/440/pdf |
| article xml uploaded. | 17 June 2020 03:47 CEST | Update | https://www.mdpi.com/2077-1312/8/6/440/xml |
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| article pdf uploaded. | 16 June 2020 05:40 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/6/440/pdf-vor |
| article xml file uploaded | 16 June 2020 05:40 CEST | Update | N/A |
| article pdf uploaded. | 16 June 2020 05:40 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/6/440/pdf-vor |
| article xml file uploaded | 16 June 2020 05:40 CEST | Original file | N/A |