| article html file updated | 6 February 2020 05:11 CET | Update | https://www.mdpi.com/2075-1702/1/3/98 |
| article html file updated | 7 May 2019 22:48 CEST | Update | - |
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| article xml uploaded. | 29 October 2013 16:42 CET | Original file | https://www.mdpi.com/2075-1702/1/3/98/xml |
| article pdf uploaded. | 28 October 2013 09:06 CET | Version of Record | https://www.mdpi.com/2075-1702/1/3/98/pdf |
