| article html file updated | 30 August 2025 22:50 CEST | Update | https://www.mdpi.com/2223-7747/8/7/239 |
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| article supplementary file uploaded. | 22 July 2019 15:10 CEST | - | https://www.mdpi.com/2223-7747/8/7/239#supplementary |
| article pdf uploaded. | 22 July 2019 15:10 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/7/239/pdf |
| article xml uploaded. | 22 July 2019 15:10 CEST | Update | https://www.mdpi.com/2223-7747/8/7/239/xml |
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