| article html file updated | 31 August 2025 14:32 CEST | Update | https://www.mdpi.com/1422-0067/21/6/2007 |
| article html file updated | 20 July 2022 23:01 CEST | Update | - |
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| article pdf uploaded. | 16 March 2020 08:31 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/2007/pdf |
| article xml uploaded. | 16 March 2020 08:31 CET | Update | https://www.mdpi.com/1422-0067/21/6/2007/xml |
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