| article html file updated | 30 August 2025 09:42 CEST | Update | https://www.mdpi.com/2079-6412/8/12/450 |
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| article html file updated | 24 December 2018 11:45 CET | Update | - |
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| article pdf uploaded. | 11 December 2018 09:57 CET | Updated version of record | https://www.mdpi.com/2079-6412/8/12/450/pdf |
| article xml uploaded. | 11 December 2018 09:57 CET | Update | https://www.mdpi.com/2079-6412/8/12/450/xml |
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| article pdf uploaded. | 7 December 2018 16:37 CET | Updated version of record | https://www.mdpi.com/2079-6412/8/12/450/pdf-vor |
| article pdf uploaded. | 7 December 2018 16:13 CET | Version of Record | https://www.mdpi.com/2079-6412/8/12/450/pdf-vor |
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