| article html file updated | 12 August 2026 23:16 CEST | Update | https://www.mdpi.com/2071-1050/6/3/1594 |
| article html file updated | 6 February 2020 08:08 CET | Update | N/A |
| article html file updated | 7 May 2019 16:51 CEST | Update | N/A |
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| article html file updated | 20 August 2015 00:54 CEST | Original file | N/A |
| article pdf uploaded. | 24 March 2014 14:55 CET | Version of Record | https://www.mdpi.com/2071-1050/6/3/1594/pdf |
