| article html file updated | 7 February 2020 18:43 CET | Update | https://www.mdpi.com/2073-4360/8/12/412 |
| article html file updated | 22 September 2019 07:21 CEST | Update | - |
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| article html file updated | 28 December 2016 07:53 CET | Update | - |
| article html file updated | 28 November 2016 12:00 CET | Original file | - |
| article xml uploaded. | 28 November 2016 11:58 CET | Update | https://www.mdpi.com/2073-4360/8/12/412/xml |
| article xml uploaded. | 28 November 2016 11:58 CET | Update | - |
| article xml uploaded. | 28 November 2016 11:58 CET | Update | - |
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| article pdf uploaded. | 28 November 2016 11:58 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/412/pdf |