| article html file updated | 30 August 2025 20:46 CEST | Update | https://www.mdpi.com/2073-8994/11/6/764 |
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| article pdf uploaded. | 25 June 2019 13:01 CEST | Updated version of record | https://www.mdpi.com/2073-8994/11/6/764/pdf |
| article xml uploaded. | 25 June 2019 13:01 CEST | Update | https://www.mdpi.com/2073-8994/11/6/764/xml |
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| article html file updated | 5 June 2019 13:39 CEST | Original file | N/A |
| article pdf uploaded. | 5 June 2019 13:38 CEST | Version of Record | https://www.mdpi.com/2073-8994/11/6/764/pdf-vor |
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