| article html file updated | 9 February 2020 07:27 CET | Update | https://www.mdpi.com/2079-9292/7/2/24 |
| article html file updated | 1 October 2019 00:08 CEST | Update | - |
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| article xml uploaded. | 24 February 2018 07:09 CET | Original file | https://www.mdpi.com/2079-9292/7/2/24/xml |
| article pdf uploaded. | 24 February 2018 07:09 CET | Version of Record | https://www.mdpi.com/2079-9292/7/2/24/pdf |
