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| article html file updated | 31 August 2025 01:32 CEST | Update | N/A |
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| article html file updated | 21 September 2019 06:59 CEST | Original file | N/A |
| article pdf uploaded. | 21 September 2019 06:57 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/18/3548/pdf |
| article xml uploaded. | 21 September 2019 06:57 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3548/xml |
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| article pdf uploaded. | 16 September 2019 17:03 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/18/3548/pdf-vor |
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