| article html file updated | 8 February 2020 02:14 CET | Update | https://www.mdpi.com/2072-666X/8/4/99 |
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| article pdf uploaded. | 25 March 2017 08:38 CET | Version of Record | https://www.mdpi.com/2072-666X/8/4/99/pdf |
| article html file updated | 25 March 2017 06:46 CET | Original file | - |
| article xml uploaded. | 25 March 2017 06:45 CET | Update | https://www.mdpi.com/2072-666X/8/4/99/xml |
