| article html file updated | 24 December 2025 13:46 CET | Update | https://www.mdpi.com/2076-3921/3/2/245 |
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| article html file updated | 20 August 2015 02:43 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2014 09:18 CEST | Version of Record | https://www.mdpi.com/2076-3921/3/2/245/pdf |
