| article html file updated | 30 August 2025 01:44 CEST | Update | https://www.mdpi.com/2227-9059/5/4/65 |
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| article xml uploaded. | 19 November 2017 09:37 CET | Original file | https://www.mdpi.com/2227-9059/5/4/65/xml |
| article pdf uploaded. | 19 November 2017 09:37 CET | Updated version of record | https://www.mdpi.com/2227-9059/5/4/65/pdf |
| article pdf uploaded. | 18 November 2017 11:21 CET | Version of Record | https://www.mdpi.com/2227-9059/5/4/65/pdf-vor |