| article html file updated | 30 August 2025 21:18 CEST | Update | https://www.mdpi.com/2076-0752/8/2/72 |
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| article pdf uploaded. | 19 June 2019 06:36 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/72/pdf |
| article xml uploaded. | 19 June 2019 06:36 CEST | Update | https://www.mdpi.com/2076-0752/8/2/72/xml |
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| article pdf uploaded. | 18 June 2019 11:33 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/2/72/pdf-vor |
| article xml file uploaded | 18 June 2019 11:33 CEST | Original file | - |
