| article html file updated | 29 August 2025 22:41 CEST | Update | https://www.mdpi.com/2075-4663/4/1/9 |
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| article html file updated | 29 March 2016 11:11 CEST | Original file | N/A |
| article pdf uploaded. | 5 February 2016 13:19 CET | Version of Record | https://www.mdpi.com/2075-4663/4/1/9/pdf |
| article xml uploaded. | 5 February 2016 13:19 CET | Original file | https://www.mdpi.com/2075-4663/4/1/9/xml |
