| article html file updated | 6 February 2020 02:43 CET | Update | https://www.mdpi.com/1420-3049/18/6/7145 |
| article html file updated | 19 September 2019 21:56 CEST | Update | - |
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| article html file updated | 21 April 2016 10:35 CEST | Original file | - |
| article pdf uploaded. | 19 June 2013 15:27 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/6/7145/pdf |
