| article html file updated | 5 February 2020 14:13 CET | Update | https://www.mdpi.com/1424-8247/3/4/1108 |
| article html file updated | 18 September 2019 22:28 CEST | Update | - |
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| article html file updated | 5 June 2014 08:54 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:54 CEST | Original file | https://www.mdpi.com/1424-8247/3/4/1108/xml |
