| article html file updated | 30 August 2025 21:47 CEST | Update | https://www.mdpi.com/2306-7381/6/3/61 |
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| article pdf uploaded. | 28 June 2019 13:30 CEST | Version of Record | https://www.mdpi.com/2306-7381/6/3/61/pdf |
| article xml uploaded. | 28 June 2019 13:30 CEST | Update | https://www.mdpi.com/2306-7381/6/3/61/xml |
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