| article html file updated | 7 February 2020 21:14 CET | Update | https://www.mdpi.com/2072-666X/8/1/20 |
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| article xml uploaded. | 11 January 2017 14:21 CET | Original file | https://www.mdpi.com/2072-666X/8/1/20/xml |
| article pdf uploaded. | 11 January 2017 14:21 CET | Version of Record | https://www.mdpi.com/2072-666X/8/1/20/pdf |
