| article html file updated | 29 August 2025 22:39 CEST | Update | https://www.mdpi.com/1660-4601/13/2/180 |
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| article pdf uploaded. | 1 February 2016 15:37 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/2/180/pdf |
| article xml uploaded. | 1 February 2016 15:37 CET | Update | https://www.mdpi.com/1660-4601/13/2/180/xml |
| article pdf uploaded. | 30 January 2016 11:33 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/180/pdf-vor |
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