| article html file updated | 31 August 2025 03:15 CEST | Update | https://www.mdpi.com/2306-7381/6/4/83 |
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| article pdf uploaded. | 21 October 2019 14:04 CEST | Version of Record | https://www.mdpi.com/2306-7381/6/4/83/pdf |
| article xml uploaded. | 21 October 2019 14:04 CEST | Update | https://www.mdpi.com/2306-7381/6/4/83/xml |
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