| article html file updated | 7 February 2020 06:09 CET | Update | https://www.mdpi.com/2071-1050/8/3/285 |
| article html file updated | 21 September 2019 13:30 CEST | Update | - |
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| article html file updated | 31 March 2016 08:45 CEST | Original file | - |
| article xml uploaded. | 19 March 2016 09:32 CET | Original file | https://www.mdpi.com/2071-1050/8/3/285/xml |
| article pdf uploaded. | 19 March 2016 09:32 CET | Version of Record | https://www.mdpi.com/2071-1050/8/3/285/pdf |
