| article html file updated | 30 August 2025 00:20 CEST | Update | https://www.mdpi.com/1422-0067/18/2/239 |
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| article pdf uploaded. | 1 February 2017 12:10 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/239/pdf-vor |
