| article html file updated | 30 August 2025 07:30 CEST | Update | https://www.mdpi.com/2075-4418/8/4/70 |
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| article pdf uploaded. | 4 October 2018 12:07 CEST | Version of Record | https://www.mdpi.com/2075-4418/8/4/70/pdf |
| article xml uploaded. | 4 October 2018 12:07 CEST | Update | https://www.mdpi.com/2075-4418/8/4/70/xml |
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