| article html file updated | 5 February 2020 13:12 CET | Update | https://www.mdpi.com/1424-8247/2/3/287 |
| article html file updated | 9 May 2019 09:07 CEST | Update | - |
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| article xml file uploaded | 28 April 2014 10:59 CEST | Original file | https://www.mdpi.com/1424-8247/2/3/287/xml |
| article html file updated | 6 February 2013 16:15 CET | Update | - |
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| article html file updated | 18 January 2013 01:09 CET | Original file | - |