| article html file updated | 5 February 2020 22:39 CET | Update | https://www.mdpi.com/2072-4292/4/11/3346 |
| article html file updated | 8 May 2019 13:05 CEST | Update | - |
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| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2072-4292/4/11/3346/xml |
| article html file updated | 7 February 2013 16:13 CET | Update | - |
| article html file updated | 24 January 2013 06:39 CET | Update | - |
| article html file updated | 16 January 2013 15:04 CET | Original file | - |
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