| article html file updated | 6 February 2020 08:38 CET | Update | https://www.mdpi.com/2076-3425/4/2/295 |
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| article xml file uploaded | 18 July 2014 03:56 CEST | Original file | https://www.mdpi.com/2076-3425/4/2/295/xml |
| article pdf uploaded. | 16 April 2014 11:20 CEST | Version of Record | https://www.mdpi.com/2076-3425/4/2/295/pdf |