| article html file updated | 5 February 2020 23:59 CET | Update | https://www.mdpi.com/2072-6694/5/1/27 |
| article html file updated | 19 September 2019 17:02 CEST | Update | N/A |
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| article xml file uploaded | 6 August 2013 15:29 CEST | Original file | https://www.mdpi.com/2072-6694/5/1/27/xml |
| article html file updated | 8 February 2013 09:30 CET | Update | N/A |
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| article html file updated | 24 January 2013 12:18 CET | Original file | N/A |