| article html file updated | 9 February 2020 04:40 CET | Update | https://www.mdpi.com/2304-8158/7/2/14 |
| article html file updated | 30 September 2019 07:28 CEST | Update | - |
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| article html file updated | 14 March 2018 12:21 CET | Update | - |
| article html file updated | 29 January 2018 04:25 CET | Original file | - |
| article xml uploaded. | 29 January 2018 04:24 CET | Original file | https://www.mdpi.com/2304-8158/7/2/14/xml |
| article pdf uploaded. | 29 January 2018 04:23 CET | Version of Record | https://www.mdpi.com/2304-8158/7/2/14/pdf |
