| article html file updated | 29 August 2025 20:45 CEST | Update | https://www.mdpi.com/2077-0383/2/3/49 |
| article html file updated | 15 July 2022 22:29 CEST | Update | - |
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| article html file updated | 10 December 2014 09:53 CET | Original file | - |
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| article pdf uploaded. | 19 August 2013 16:42 CEST | Updated version of record | https://www.mdpi.com/2077-0383/2/3/49/pdf |
| article pdf uploaded. | 19 August 2013 16:40 CEST | Version of Record | - |
