| article html file updated | 6 February 2020 04:27 CET | Update | https://www.mdpi.com/2072-6643/5/9/3696 |
| article html file updated | 8 May 2019 00:17 CEST | Update | - |
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| article xml file uploaded | 25 October 2013 10:04 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3696/xml |
| article pdf uploaded. | 18 September 2013 15:52 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3696/pdf |
