| article html file updated | 30 August 2025 20:57 CEST | Update | https://www.mdpi.com/2227-7390/7/6/528 |
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| article pdf uploaded. | 10 June 2019 15:07 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/528/pdf |
| article xml uploaded. | 10 June 2019 15:07 CEST | Update | https://www.mdpi.com/2227-7390/7/6/528/xml |
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