| article html file updated | 5 February 2020 19:02 CET | Update | https://www.mdpi.com/1424-8247/5/1/79 |
| article html file updated | 8 May 2019 21:07 CEST | Update | - |
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| article xml file uploaded | 6 August 2013 16:00 CEST | Original file | https://www.mdpi.com/1424-8247/5/1/79/xml |
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