| article html file updated | 31 August 2025 07:11 CEST | Update | https://www.mdpi.com/2073-4441/12/1/52 |
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| article pdf uploaded. | 27 December 2019 12:26 CET | Updated version of record | https://www.mdpi.com/2073-4441/12/1/52/pdf |
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| article pdf uploaded. | 21 December 2019 10:21 CET | Version of Record | https://www.mdpi.com/2073-4441/12/1/52/pdf-vor |
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