| article html file updated | 31 August 2025 01:11 CEST | Update | https://www.mdpi.com/2223-7747/8/9/339 |
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| article supplementary file uploaded. | 9 September 2019 16:12 CEST | - | https://www.mdpi.com/2223-7747/8/9/339#supplementary |
| article pdf uploaded. | 9 September 2019 16:12 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/9/339/pdf |
| article xml uploaded. | 9 September 2019 16:12 CEST | Update | https://www.mdpi.com/2223-7747/8/9/339/xml |
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