| article html file updated | 30 August 2025 11:42 CEST | Update | https://www.mdpi.com/1996-1073/12/3/459 |
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| article pdf uploaded. | 2 February 2019 10:52 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/3/459/pdf |
| article xml uploaded. | 2 February 2019 10:52 CET | Update | https://www.mdpi.com/1996-1073/12/3/459/xml |
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| article html file updated | 31 January 2019 13:53 CET | Original file | - |
| article pdf uploaded. | 31 January 2019 13:52 CET | Version of Record | https://www.mdpi.com/1996-1073/12/3/459/pdf-vor |
| article xml uploaded. | 31 January 2019 13:52 CET | Update | - |
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