| article html file updated | 18 August 2026 07:51 CEST | Update | https://www.mdpi.com/2227-9032/8/4/455 |
| article html file updated | 24 December 2025 22:55 CET | Update | N/A |
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| article html file updated | 3 November 2020 06:48 CET | Original file | N/A |
| article pdf uploaded. | 3 November 2020 06:46 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/455/pdf |
| article xml uploaded. | 3 November 2020 06:46 CET | Update | https://www.mdpi.com/2227-9032/8/4/455/xml |
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