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| article html file updated | 17 July 2022 21:05 CEST | Update | N/A |
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| article html file updated | 7 January 2019 09:10 CET | Original file | N/A |
| article pdf uploaded. | 7 January 2019 09:09 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/47/pdf |
| article xml uploaded. | 7 January 2019 09:09 CET | Update | https://www.mdpi.com/2227-7390/7/1/47/xml |
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| article pdf uploaded. | 4 January 2019 15:46 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/47/pdf-vor |
| article pdf uploaded. | 4 January 2019 15:40 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/47/pdf-vor |
| article xml file uploaded | 4 January 2019 15:40 CET | Original file | N/A |
