| article html file updated | 8 February 2020 21:51 CET | Update | https://www.mdpi.com/2304-6740/5/4/82 |
| article html file updated | 28 September 2019 15:45 CEST | Update | N/A |
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| article html file updated | 21 November 2017 16:32 CET | Original file | N/A |
| article xml uploaded. | 21 November 2017 16:31 CET | Original file | https://www.mdpi.com/2304-6740/5/4/82/xml |
| article pdf uploaded. | 21 November 2017 16:31 CET | Version of Record | https://www.mdpi.com/2304-6740/5/4/82/pdf |
