| article html file updated | 31 August 2025 17:15 CEST | Update | https://www.mdpi.com/2076-3921/9/4/310 |
| article html file updated | 21 July 2022 01:44 CEST | Update | N/A |
| article html file updated | 13 April 2020 12:54 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2020 12:52 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/310/pdf |
| article xml uploaded. | 13 April 2020 12:52 CEST | Update | https://www.mdpi.com/2076-3921/9/4/310/xml |
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