| article html file updated | 30 August 2025 01:56 CEST | Update | https://www.mdpi.com/2073-8994/9/12/312 |
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| article xml uploaded. | 11 December 2017 12:25 CET | Update | https://www.mdpi.com/2073-8994/9/12/312/xml |
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| article pdf uploaded. | 11 December 2017 12:25 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/312/pdf |
