| article html file updated | 9 February 2020 06:41 CET | Update | https://www.mdpi.com/2071-1050/10/2/510 |
| article html file updated | 30 September 2019 19:35 CEST | Update | - |
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| article html file updated | 15 March 2018 10:02 CET | Update | - |
| article html file updated | 14 March 2018 12:12 CET | Update | - |
| article html file updated | 14 February 2018 13:36 CET | Original file | - |
| article xml uploaded. | 14 February 2018 13:34 CET | Original file | https://www.mdpi.com/2071-1050/10/2/510/xml |
| article pdf uploaded. | 14 February 2018 13:34 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/510/pdf |
