| article html file updated | 9 February 2020 06:10 CET | Update | https://www.mdpi.com/1996-1944/11/2/275 |
| article html file updated | 30 September 2019 16:34 CEST | Update | - |
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| article xml uploaded. | 10 February 2018 06:35 CET | Update | https://www.mdpi.com/1996-1944/11/2/275/xml |
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| article pdf uploaded. | 10 February 2018 06:34 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/275/pdf |
