| article html file updated | 31 August 2025 01:18 CEST | Update | https://www.mdpi.com/2071-1050/11/18/4976 |
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| article pdf uploaded. | 17 September 2019 10:50 CEST | Updated version of record | https://www.mdpi.com/2071-1050/11/18/4976/pdf |
| article xml uploaded. | 17 September 2019 10:50 CEST | Update | https://www.mdpi.com/2071-1050/11/18/4976/xml |
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| article pdf uploaded. | 11 September 2019 16:36 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/18/4976/pdf-vor |
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