| article html file updated | 9 February 2020 02:23 CET | Update | https://www.mdpi.com/2073-4360/10/1/54 |
| article html file updated | 29 September 2019 18:24 CEST | Update | - |
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| article html file updated | 9 January 2018 06:17 CET | Original file | - |
| article xml uploaded. | 9 January 2018 06:16 CET | Update | https://www.mdpi.com/2073-4360/10/1/54/xml |
| article pdf uploaded. | 9 January 2018 06:16 CET | Version of Record | https://www.mdpi.com/2073-4360/10/1/54/pdf |
