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| article html file updated | 30 September 2019 07:04 CEST | Update | - |
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| article html file updated | 14 March 2018 09:20 CET | Update | - |
| article html file updated | 29 January 2018 07:34 CET | Update | - |
| article xml uploaded. | 29 January 2018 07:33 CET | Update | https://www.mdpi.com/2076-3298/5/2/20/xml |
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| article pdf uploaded. | 29 January 2018 07:33 CET | Updated version of record | https://www.mdpi.com/2076-3298/5/2/20/pdf |
| article html file updated | 27 January 2018 11:39 CET | Original file | - |
| article xml uploaded. | 27 January 2018 11:38 CET | Update | - |
| article xml uploaded. | 27 January 2018 11:38 CET | Original file | - |
| article pdf uploaded. | 27 January 2018 11:38 CET | Version of Record | https://www.mdpi.com/2076-3298/5/2/20/pdf-vor |