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| article html file updated | 29 September 2019 10:31 CEST | Update | - |
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| article pdf uploaded. | 5 January 2018 07:22 CET | Updated version of record | https://www.mdpi.com/2072-4292/10/1/20/pdf |
| article html file updated | 23 December 2017 07:38 CET | Original file | - |
| article xml uploaded. | 23 December 2017 07:36 CET | Original file | https://www.mdpi.com/2072-4292/10/1/20/xml |
| article pdf uploaded. | 23 December 2017 07:36 CET | Version of Record | https://www.mdpi.com/2072-4292/10/1/20/pdf-vor |
