| article html file updated | 30 August 2025 01:12 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1427 |
| article html file updated | 16 July 2022 06:22 CEST | Update | - |
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| article xml uploaded. | 18 September 2017 04:14 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1427/xml |
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| article pdf uploaded. | 18 September 2017 04:14 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1427/pdf |
| article pdf uploaded. | 16 September 2017 11:29 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1427/pdf-vor |
