| article html file updated | 31 August 2025 06:55 CEST | Update | https://www.mdpi.com/2071-1050/12/1/35 |
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| article pdf uploaded. | 25 December 2019 07:39 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/35/pdf |
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| article pdf uploaded. | 18 December 2019 17:05 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/35/pdf-vor |
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