| article html file updated | 30 August 2025 20:32 CEST | Update | https://www.mdpi.com/2223-7747/8/6/146 |
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| article supplementary file uploaded. | 31 May 2019 10:22 CEST | - | https://www.mdpi.com/2223-7747/8/6/146#supplementary |
| article pdf uploaded. | 31 May 2019 10:22 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/6/146/pdf |
| article xml uploaded. | 31 May 2019 10:22 CEST | Update | https://www.mdpi.com/2223-7747/8/6/146/xml |
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