| article html file updated | 16 June 2015 04:56 CEST | Update | https://www.mdpi.com/1660-3397/6/4/528 |
| article html file updated | 5 March 2015 11:20 CET | Update | - |
| article xml file uploaded | 5 March 2015 11:20 CET | Original file | https://www.mdpi.com/1660-3397/6/4/528/xml |
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