| article html file updated | 30 August 2025 10:35 CEST | Update | https://www.mdpi.com/2077-0383/8/1/42 |
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| article pdf uploaded. | 4 January 2019 08:10 CET | Version of Record | https://www.mdpi.com/2077-0383/8/1/42/pdf |
| article xml uploaded. | 4 January 2019 08:10 CET | Update | https://www.mdpi.com/2077-0383/8/1/42/xml |
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