| article html file updated | 30 August 2025 20:47 CEST | Update | https://www.mdpi.com/2218-1997/5/6/140 |
| article html file updated | 19 July 2022 19:42 CEST | Update | - |
| article html file updated | 12 February 2020 17:53 CET | Update | - |
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| article html file updated | 6 June 2019 00:35 CEST | Original file | - |
| article pdf uploaded. | 5 June 2019 14:49 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/6/140/pdf |
| article xml uploaded. | 5 June 2019 14:49 CEST | Update | https://www.mdpi.com/2218-1997/5/6/140/xml |
| article xml file uploaded | 5 June 2019 14:49 CEST | Original file | - |
