| article html file updated | 30 August 2025 02:40 CEST | Update | https://www.mdpi.com/2073-4425/9/2/110 |
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| article pdf uploaded. | 22 February 2018 10:27 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/2/110/pdf |
| article xml uploaded. | 22 February 2018 10:27 CET | Update | https://www.mdpi.com/2073-4425/9/2/110/xml |
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| article pdf uploaded. | 20 February 2018 13:22 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/2/110/pdf-vor |
| article pdf uploaded. | 20 February 2018 13:18 CET | Version of Record | https://www.mdpi.com/2073-4425/9/2/110/pdf-vor |
