| article html file updated | 8 February 2020 11:23 CET | Update | https://www.mdpi.com/2076-3298/4/3/51 |
| article html file updated | 26 September 2019 00:41 CEST | Update | - |
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| article html file updated | 30 September 2017 13:54 CEST | Update | - |
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| article xml uploaded. | 21 July 2017 07:37 CEST | Update | https://www.mdpi.com/2076-3298/4/3/51/xml |
| article pdf uploaded. | 21 July 2017 07:37 CEST | Updated version of record | https://www.mdpi.com/2076-3298/4/3/51/pdf |
| article html file updated | 19 July 2017 13:55 CEST | Update | - |
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| article html file updated | 19 July 2017 13:53 CEST | Original file | - |
| article pdf uploaded. | 19 July 2017 13:52 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/3/51/pdf-vor |
