| article html file updated | 29 August 2025 22:48 CEST | Update | https://www.mdpi.com/2076-3271/4/1/5 |
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| article pdf uploaded. | 8 March 2016 11:33 CET | Version of Record | https://www.mdpi.com/2076-3271/4/1/5/pdf |
| article xml uploaded. | 8 March 2016 11:33 CET | Original file | https://www.mdpi.com/2076-3271/4/1/5/xml |
