| article html file updated | 24 December 2025 15:09 CET | Update | https://www.mdpi.com/2218-1997/5/6/145 |
| article html file updated | 30 August 2025 21:00 CEST | Update | - |
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| article html file updated | 11 June 2019 13:00 CEST | Original file | - |
| article pdf uploaded. | 11 June 2019 12:59 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/6/145/pdf |
| article xml uploaded. | 11 June 2019 12:59 CEST | Update | https://www.mdpi.com/2218-1997/5/6/145/xml |
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