| article html file updated | 7 February 2020 17:59 CET | Update | https://www.mdpi.com/2073-8994/8/11/128 |
| article html file updated | 22 September 2019 05:35 CEST | Update | - |
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| article html file updated | 30 November 2016 06:51 CET | Update | - |
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| article xml uploaded. | 15 November 2016 03:20 CET | Original file | https://www.mdpi.com/2073-8994/8/11/128/xml |
| article pdf uploaded. | 15 November 2016 03:20 CET | Version of Record | https://www.mdpi.com/2073-8994/8/11/128/pdf |
