| article html file updated | 31 August 2025 09:13 CEST | Update | https://new.mdpi.com/2227-9717/8/1/116 |
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| article pdf uploaded. | 23 January 2020 05:31 CET | Updated version of record | https://new.mdpi.com/2227-9717/8/1/116/pdf |
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| article pdf uploaded. | 16 January 2020 17:15 CET | Version of Record | https://new.mdpi.com/2227-9717/8/1/116/pdf-vor |
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