| article html file updated | 30 August 2025 11:27 CEST | Update | https://www.mdpi.com/1422-0067/20/3/506 |
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| article pdf uploaded. | 31 January 2019 03:09 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/3/506/pdf |
| article xml uploaded. | 31 January 2019 03:09 CET | Update | https://www.mdpi.com/1422-0067/20/3/506/xml |
| article xml file uploaded | 31 January 2019 03:09 CET | Update | - |
| article pdf uploaded. | 24 January 2019 16:10 CET | Version of Record | https://www.mdpi.com/1422-0067/20/3/506/pdf-vor |
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