| article html file updated | 31 August 2025 00:53 CEST | Update | https://www.mdpi.com/2306-7381/6/3/71 |
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| article pdf uploaded. | 3 September 2019 11:58 CEST | Version of Record | https://www.mdpi.com/2306-7381/6/3/71/pdf |
| article xml uploaded. | 3 September 2019 11:58 CEST | Update | https://www.mdpi.com/2306-7381/6/3/71/xml |
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