| article html file updated | 30 August 2025 07:32 CEST | Update | https://www.mdpi.com/2227-7102/8/4/166 |
| article html file updated | 17 July 2022 04:16 CEST | Update | N/A |
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| article html file updated | 6 October 2018 11:39 CEST | Original file | N/A |
| article pdf uploaded. | 6 October 2018 11:38 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/4/166/pdf |
| article xml uploaded. | 6 October 2018 11:38 CEST | Update | https://www.mdpi.com/2227-7102/8/4/166/xml |
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