| article html file updated | 8 February 2020 10:58 CET | Update | https://www.mdpi.com/2076-3298/4/3/49 |
| article html file updated | 25 September 2019 22:33 CEST | Update | - |
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| article xml uploaded. | 14 July 2017 10:29 CEST | Update | https://www.mdpi.com/2076-3298/4/3/49/xml |
| article pdf uploaded. | 14 July 2017 10:29 CEST | Updated version of record | https://www.mdpi.com/2076-3298/4/3/49/pdf |
| article html file updated | 13 July 2017 15:45 CEST | Update | - |
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| article html file updated | 13 July 2017 15:43 CEST | Original file | - |
| article pdf uploaded. | 13 July 2017 15:42 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/3/49/pdf-vor |
