| article html file updated | 30 August 2025 22:10 CEST | Update | https://www.mdpi.com/2218-1997/5/7/167 |
| article html file updated | 20 July 2022 07:23 CEST | Update | - |
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| article pdf uploaded. | 7 July 2019 05:52 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/7/167/pdf |
| article xml uploaded. | 7 July 2019 05:52 CEST | Update | https://www.mdpi.com/2218-1997/5/7/167/xml |
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