| article html file updated | 30 August 2025 02:44 CEST | Update | https://www.mdpi.com/1996-1944/11/3/331 |
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| article xml uploaded. | 25 February 2018 08:41 CET | Update | https://www.mdpi.com/1996-1944/11/3/331/xml |
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| article pdf uploaded. | 25 February 2018 08:41 CET | Version of Record | https://www.mdpi.com/1996-1944/11/3/331/pdf |