| article html file updated | 7 February 2020 19:03 CET | Update | https://www.mdpi.com/2071-1050/8/12/1254 |
| article html file updated | 22 September 2019 08:39 CEST | Update | - |
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| article html file updated | 28 December 2016 08:12 CET | Update | - |
| article pdf uploaded. | 5 December 2016 16:24 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1254/pdf |
| article html file updated | 3 December 2016 07:33 CET | Original file | - |
| article xml uploaded. | 3 December 2016 07:32 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1254/xml |
