| article html file updated | 6 February 2020 03:56 CET | Update | https://www.mdpi.com/2072-6643/5/9/3329 |
| article html file updated | 8 May 2019 01:22 CEST | Update | - |
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| article html file updated | 17 June 2015 12:35 CEST | Update | - |
| article html file updated | 25 October 2013 10:06 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 10:06 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3329/xml |
| article pdf uploaded. | 22 August 2013 11:51 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3329/pdf |
