| article html file updated | 31 August 2025 12:17 CEST | Update | https://www.mdpi.com/1996-1073/13/4/956 |
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| article pdf uploaded. | 21 February 2020 16:27 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/956/pdf |
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| article pdf uploaded. | 20 February 2020 16:43 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/956/pdf-vor |
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