| article html file updated | 30 August 2025 20:53 CEST | Update | https://www.mdpi.com/2504-477X/3/2/59 |
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| article pdf uploaded. | 8 June 2019 09:04 CEST | Version of Record | https://www.mdpi.com/2504-477X/3/2/59/pdf |
| article xml uploaded. | 8 June 2019 09:04 CEST | Update | https://www.mdpi.com/2504-477X/3/2/59/xml |
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