| article html file updated | 31 August 2025 03:49 CEST | Update | https://www.mdpi.com/2223-7747/8/11/467 |
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| article pdf uploaded. | 31 October 2019 11:17 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/467/pdf |
| article xml uploaded. | 31 October 2019 11:17 CET | Update | https://www.mdpi.com/2223-7747/8/11/467/xml |
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