| article html file updated | 31 August 2025 04:03 CEST | Update | https://www.mdpi.com/2227-7072/7/4/66 |
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| article html file updated | 4 November 2019 13:16 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 13:15 CET | Version of Record | https://www.mdpi.com/2227-7072/7/4/66/pdf |
| article xml uploaded. | 4 November 2019 13:15 CET | Update | https://www.mdpi.com/2227-7072/7/4/66/xml |
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