| article html file updated | 9 February 2020 07:30 CET | Update | https://www.mdpi.com/2073-4360/10/2/223 |
| article html file updated | 1 October 2019 00:23 CEST | Update | - |
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| article html file updated | 14 March 2018 11:55 CET | Update | - |
| article html file updated | 24 February 2018 11:36 CET | Original file | - |
| article xml uploaded. | 24 February 2018 11:35 CET | Update | https://www.mdpi.com/2073-4360/10/2/223/xml |
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| article pdf uploaded. | 24 February 2018 11:35 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/223/pdf |