| article html file updated | 15 August 2026 06:57 CEST | Update | https://www.mdpi.com/2305-7084/2/3/43 |
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| article pdf uploaded. | 5 September 2018 11:10 CEST | Version of Record | https://www.mdpi.com/2305-7084/2/3/43/pdf |
| article xml uploaded. | 5 September 2018 11:10 CEST | Update | https://www.mdpi.com/2305-7084/2/3/43/xml |
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