| article html file updated | 13 August 2026 15:09 CEST | Update | https://www.mdpi.com/2225-1154/3/1/193 |
| article html file updated | 6 February 2020 16:19 CET | Update | N/A |
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| article pdf uploaded. | 5 March 2015 07:32 CET | Updated version of record | https://www.mdpi.com/2225-1154/3/1/193/pdf |
| article pdf uploaded. | 4 March 2015 13:19 CET | Version of Record | https://www.mdpi.com/2225-1154/3/1/193/pdf-vor |
