| article html file updated | 7 February 2020 18:56 CET | Update | https://www.mdpi.com/2072-666X/7/12/219 |
| article html file updated | 22 September 2019 08:12 CEST | Update | - |
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| article html file updated | 27 December 2016 11:28 CET | Update | - |
| article html file updated | 1 December 2016 13:42 CET | Original file | - |
| article xml uploaded. | 1 December 2016 13:41 CET | Original file | https://www.mdpi.com/2072-666X/7/12/219/xml |
| article pdf uploaded. | 1 December 2016 13:41 CET | Version of Record | https://www.mdpi.com/2072-666X/7/12/219/pdf |
