| article html file updated | 30 August 2025 22:11 CEST | Update | https://www.mdpi.com/2311-5637/5/3/60 |
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| article pdf uploaded. | 8 July 2019 08:19 CEST | Version of Record | https://www.mdpi.com/2311-5637/5/3/60/pdf |
| article xml uploaded. | 8 July 2019 08:19 CEST | Update | https://www.mdpi.com/2311-5637/5/3/60/xml |
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