| article html file updated | 23 October 2025 06:20 CEST | Update | https://www.mdpi.com/2076-2615/4/2/241 |
| article html file updated | 6 February 2020 09:22 CET | Update | N/A |
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| article xml file uploaded | 10 November 2014 07:30 CET | Original file | https://www.mdpi.com/2076-2615/4/2/241/xml |
| article pdf uploaded. | 21 May 2014 09:07 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/2/241/pdf |
