| article html file updated | 29 August 2025 20:47 CEST | Update | https://www.mdpi.com/2226-4787/1/2/65 |
| article html file updated | 15 July 2022 22:35 CEST | Update | N/A |
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| article pdf uploaded. | 26 September 2013 17:21 CEST | Updated version of record | https://www.mdpi.com/2226-4787/1/2/65/pdf |
| article pdf uploaded. | 25 September 2013 18:17 CEST | Version of Record | https://www.mdpi.com/2226-4787/1/2/65/pdf-vor |
