| article html file updated | 13 August 2026 15:04 CEST | Update | https://www.mdpi.com/2077-1312/3/1/111 |
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| article html file updated | 21 August 2015 08:12 CEST | Original file | N/A |
| article pdf uploaded. | 4 March 2015 09:15 CET | Version of Record | https://www.mdpi.com/2077-1312/3/1/111/pdf |
