| article html file updated | 30 August 2025 21:27 CEST | Update | https://www.mdpi.com/2079-6412/9/6/402 |
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| article pdf uploaded. | 26 June 2019 03:12 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/6/402/pdf |
| article xml uploaded. | 26 June 2019 03:12 CEST | Update | https://www.mdpi.com/2079-6412/9/6/402/xml |
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| article html file updated | 21 June 2019 10:06 CEST | Original file | - |
| article pdf uploaded. | 21 June 2019 10:05 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/6/402/pdf-vor |
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