| article html file updated | 31 August 2025 03:42 CEST | Update | https://www.mdpi.com/2079-6382/8/4/202 |
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| article html file updated | 30 December 2019 10:17 CET | Update | - |
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| article pdf uploaded. | 30 October 2019 11:14 CET | Updated version of record | https://www.mdpi.com/2079-6382/8/4/202/pdf |
| article xml uploaded. | 30 October 2019 11:14 CET | Update | https://www.mdpi.com/2079-6382/8/4/202/xml |
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| article pdf uploaded. | 29 October 2019 16:04 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/202/pdf-vor |
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