| article html file updated | 31 August 2025 05:34 CEST | Update | https://www.mdpi.com/2077-1312/7/12/441 |
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| article pdf uploaded. | 19 December 2019 02:49 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/12/441/pdf |
| article xml uploaded. | 19 December 2019 02:49 CET | Update | https://www.mdpi.com/2077-1312/7/12/441/xml |
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| article pdf uploaded. | 2 December 2019 17:02 CET | Version of Record | https://www.mdpi.com/2077-1312/7/12/441/pdf-vor |
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