| article html file updated | 30 August 2025 14:35 CEST | Update | https://www.mdpi.com/1422-0067/20/9/2158 |
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| article pdf uploaded. | 9 May 2019 13:00 CEST | Updated version of record | https://www.mdpi.com/1422-0067/20/9/2158/pdf |
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| article pdf uploaded. | 1 May 2019 06:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/20/9/2158/pdf-vor |
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