| article html file updated | 30 August 2025 21:30 CEST | Update | https://www.mdpi.com/2311-5521/4/2/113 |
| article html file updated | 20 July 2022 15:09 CEST | Update | - |
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| article pdf uploaded. | 22 June 2019 05:45 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/113/pdf |
| article xml uploaded. | 22 June 2019 05:45 CEST | Update | https://www.mdpi.com/2311-5521/4/2/113/xml |
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