| article html file updated | 17 July 2022 22:41 CEST | Update | https://www.mdpi.com/1422-0067/20/2/301 |
| article html file updated | 11 February 2020 08:40 CET | Update | - |
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| article pdf uploaded. | 14 January 2019 05:41 CET | Version of Record | https://www.mdpi.com/1422-0067/20/2/301/pdf |
| article xml uploaded. | 14 January 2019 05:41 CET | Update | https://www.mdpi.com/1422-0067/20/2/301/xml |
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