| article html file updated | 5 February 2020 22:53 CET | Update | https://www.mdpi.com/2220-9964/1/3/294 |
| article html file updated | 8 May 2019 12:28 CEST | Update | - |
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| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/2220-9964/1/3/294/xml |
| article html file updated | 7 February 2013 16:37 CET | Update | - |
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