| article html file updated | 30 August 2025 08:34 CEST | Update | https://www.mdpi.com/2504-3900/2/23/1502 |
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| article pdf uploaded. | 7 November 2018 03:54 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/23/1502/pdf |
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| article xml file uploaded | 7 November 2018 03:53 CET | Original file | https://www.mdpi.com/2504-3900/2/23/1502/xml |
