| article html file updated | 7 February 2020 22:07 CET | Update | https://www.mdpi.com/2072-666X/8/2/34 |
| article html file updated | 23 September 2019 00:57 CEST | Update | N/A |
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| article html file updated | 1 March 2017 07:51 CET | Update | N/A |
| article html file updated | 24 January 2017 09:55 CET | Original file | N/A |
| article xml uploaded. | 24 January 2017 09:53 CET | Original file | https://www.mdpi.com/2072-666X/8/2/34/xml |
| article pdf uploaded. | 24 January 2017 09:53 CET | Version of Record | https://www.mdpi.com/2072-666X/8/2/34/pdf |
