| article html file updated | 5 February 2020 21:06 CET | Update | https://www.mdpi.com/2071-1050/4/7/1466 |
| article html file updated | 8 May 2019 16:39 CEST | Update | - |
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| article xml file uploaded | 9 March 2015 11:14 CET | Original file | https://www.mdpi.com/2071-1050/4/7/1466/xml |
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