| article html file updated | 5 February 2020 20:12 CET | Update | https://www.mdpi.com/1422-0067/13/4/5179 |
| article html file updated | 8 May 2019 18:39 CEST | Update | - |
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| article html file updated | 16 June 2015 23:26 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/13/4/5179/xml |
| article html file updated | 7 February 2013 11:56 CET | Update | - |
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| article html file updated | 26 January 2013 09:57 CET | Update | - |
| article html file updated | 23 January 2013 16:07 CET | Original file | - |
