| article html file updated | 30 August 2025 08:00 CEST | Update | https://www.mdpi.com/1424-8247/11/4/110 |
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| article pdf uploaded. | 20 October 2018 09:15 CEST | Version of Record | https://www.mdpi.com/1424-8247/11/4/110/pdf |
| article xml uploaded. | 20 October 2018 09:15 CEST | Update | https://www.mdpi.com/1424-8247/11/4/110/xml |
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