| article html file updated | 30 August 2025 04:38 CEST | Update | https://www.mdpi.com/2075-163X/8/6/259 |
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| article pdf uploaded. | 19 June 2018 12:16 CEST | Version of Record | https://www.mdpi.com/2075-163X/8/6/259/pdf |
| article xml uploaded. | 19 June 2018 12:16 CEST | Update | https://www.mdpi.com/2075-163X/8/6/259/xml |
| article xml file uploaded | 19 June 2018 12:16 CEST | Original file | - |
