| article html file updated | 29 August 2025 22:39 CEST | Update | https://www.mdpi.com/2075-163X/6/1/8 |
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| article html file updated | 29 March 2016 11:42 CEST | Original file | N/A |
| article pdf uploaded. | 1 February 2016 09:14 CET | Version of Record | https://www.mdpi.com/2075-163X/6/1/8/pdf |
| article xml uploaded. | 1 February 2016 09:14 CET | Original file | https://www.mdpi.com/2075-163X/6/1/8/xml |
