| article html file updated | 9 February 2020 02:42 CET | Update | https://www.mdpi.com/2072-6643/10/1/69 |
| article html file updated | 29 September 2019 20:04 CEST | Update | - |
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| article html file updated | 1 February 2018 08:07 CET | Update | - |
| article html file updated | 11 January 2018 18:43 CET | Original file | - |
| article xml uploaded. | 11 January 2018 18:42 CET | Original file | https://www.mdpi.com/2072-6643/10/1/69/xml |
| article pdf uploaded. | 11 January 2018 18:42 CET | Version of Record | https://www.mdpi.com/2072-6643/10/1/69/pdf |
