| article html file updated | 9 February 2020 08:32 CET | Update | https://www.mdpi.com/2079-9292/7/3/33 |
| article html file updated | 1 October 2019 06:13 CEST | Update | - |
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| article html file updated | 26 March 2018 12:58 CEST | Update | - |
| article html file updated | 3 March 2018 10:15 CET | Original file | - |
| article xml uploaded. | 3 March 2018 10:14 CET | Original file | https://www.mdpi.com/2079-9292/7/3/33/xml |
| article pdf uploaded. | 3 March 2018 10:14 CET | Version of Record | https://www.mdpi.com/2079-9292/7/3/33/pdf |
