| article html file updated | 9 February 2020 06:29 CET | Update | https://www.mdpi.com/1996-1944/11/2/290 |
| article html file updated | 30 September 2019 18:25 CEST | Update | - |
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| article xml uploaded. | 13 February 2018 05:16 CET | Update | https://www.mdpi.com/1996-1944/11/2/290/xml |
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| article pdf uploaded. | 13 February 2018 05:16 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/290/pdf |
