| article html file updated | 7 February 2020 23:38 CET | Update | https://www.mdpi.com/2223-7747/6/1/10 |
| article html file updated | 23 September 2019 09:15 CEST | Update | - |
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| article xml uploaded. | 17 February 2017 11:47 CET | Original file | https://www.mdpi.com/2223-7747/6/1/10/xml |
| article pdf uploaded. | 17 February 2017 11:47 CET | Version of Record | https://www.mdpi.com/2223-7747/6/1/10/pdf |
