| article html file updated | 30 August 2025 20:49 CEST | Update | https://www.mdpi.com/2227-7390/7/6/519 |
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| article html file updated | 6 June 2019 11:56 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2019 11:54 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/519/pdf |
| article xml uploaded. | 6 June 2019 11:54 CEST | Update | https://www.mdpi.com/2227-7390/7/6/519/xml |
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