| article html file updated | 29 August 2025 21:04 CEST | Update | https://www.mdpi.com/2076-3921/3/2/387 |
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| article html file updated | 20 August 2015 06:42 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2014 16:17 CEST | Version of Record | https://www.mdpi.com/2076-3921/3/2/387/pdf |
