| article html file updated | 30 August 2025 21:58 CEST | Update | https://www.mdpi.com/2218-1997/5/7/162 |
| article html file updated | 21 August 2025 21:34 CEST | Update | - |
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| article pdf uploaded. | 3 July 2019 03:48 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/7/162/pdf |
| article xml uploaded. | 3 July 2019 03:48 CEST | Update | https://www.mdpi.com/2218-1997/5/7/162/xml |
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| article html file updated | 2 July 2019 12:39 CEST | Original file | - |
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| article xml file uploaded | 2 July 2019 12:38 CEST | Original file | - |
