| article html file updated | 30 August 2025 06:30 CEST | Update | https://www.mdpi.com/2227-7390/6/9/151 |
| article html file updated | 17 July 2022 01:50 CEST | Update | N/A |
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| article pdf uploaded. | 30 August 2018 14:46 CEST | Version of Record | https://www.mdpi.com/2227-7390/6/9/151/pdf |
| article xml uploaded. | 30 August 2018 14:46 CEST | Update | https://www.mdpi.com/2227-7390/6/9/151/xml |
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