| article html file updated | 6 February 2020 03:02 CET | Update | https://www.mdpi.com/2072-4292/5/7/3259 |
| article html file updated | 8 May 2019 03:11 CEST | Update | - |
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| article html file updated | 15 August 2013 17:51 CEST | Original file | - |
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| article pdf uploaded. | 5 July 2013 15:15 CEST | Version of Record | https://www.mdpi.com/2072-4292/5/7/3259/pdf |