| article html file updated | 30 August 2025 09:44 CEST | Update | https://www.mdpi.com/2313-433X/4/12/146 |
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| article xml uploaded. | 10 December 2018 12:37 CET | Update | https://www.mdpi.com/2313-433X/4/12/146/xml |
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| article pdf uploaded. | 10 December 2018 12:37 CET | Updated version of record | https://www.mdpi.com/2313-433X/4/12/146/pdf |
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| article pdf uploaded. | 8 December 2018 10:46 CET | Version of Record | https://www.mdpi.com/2313-433X/4/12/146/pdf-vor |
| article xml uploaded. | 8 December 2018 10:46 CET | Update | - |
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