| article html file updated | 9 February 2020 08:02 CET | Update | https://www.mdpi.com/2078-2489/9/3/49 |
| article html file updated | 1 October 2019 03:18 CEST | Update | - |
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| article html file updated | 28 February 2018 10:35 CET | Original file | - |
| article xml uploaded. | 28 February 2018 10:34 CET | Original file | https://www.mdpi.com/2078-2489/9/3/49/xml |
| article pdf uploaded. | 28 February 2018 10:34 CET | Version of Record | https://www.mdpi.com/2078-2489/9/3/49/pdf |
