| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/2079-7737/5/1/12 |
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| article html file updated | 29 March 2016 11:12 CEST | Original file | - |
| article pdf uploaded. | 15 February 2016 09:19 CET | Version of Record | https://www.mdpi.com/2079-7737/5/1/12/pdf |
| article xml uploaded. | 15 February 2016 09:19 CET | Original file | https://www.mdpi.com/2079-7737/5/1/12/xml |
