| article html file updated | 12 August 2026 17:47 CEST | Update | https://www.mdpi.com/2072-6643/5/2/411 |
| article html file updated | 6 February 2020 00:25 CET | Update | N/A |
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| article xml uploaded. | 6 February 2013 16:17 CET | Original file | https://www.mdpi.com/2072-6643/5/2/411/xml |
| article pdf uploaded. | 6 February 2013 16:17 CET | Updated version of record | https://www.mdpi.com/2072-6643/5/2/411/pdf |
| article pdf uploaded. | 5 February 2013 14:51 CET | Version of Record | https://www.mdpi.com/2072-6643/5/2/411/pdf-vor |
