| article html file updated | 9 February 2020 02:55 CET | Update | https://www.mdpi.com/2079-9284/5/1/11 |
| article html file updated | 29 September 2019 21:12 CEST | Update | - |
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| article html file updated | 12 January 2018 16:45 CET | Original file | - |
| article xml uploaded. | 12 January 2018 16:44 CET | Original file | https://www.mdpi.com/2079-9284/5/1/11/xml |
| article pdf uploaded. | 12 January 2018 16:44 CET | Version of Record | https://www.mdpi.com/2079-9284/5/1/11/pdf |
