| article html file updated | 13 August 2026 11:03 CEST | Update | https://www.mdpi.com/1996-1073/8/1/529 |
| article html file updated | 6 February 2020 15:12 CET | Update | N/A |
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| article html file updated | 21 August 2015 05:54 CEST | Original file | N/A |
| article pdf uploaded. | 14 January 2015 16:03 CET | Version of Record | https://www.mdpi.com/1996-1073/8/1/529/pdf |
