| article html file updated | 7 February 2020 11:04 CET | Update | https://www.mdpi.com/2223-7747/5/3/29 |
| article html file updated | 5 May 2019 11:17 CEST | Update | - |
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| article html file updated | 28 September 2016 11:48 CEST | Update | - |
| article html file updated | 30 June 2016 14:55 CEST | Original file | - |
| article xml uploaded. | 30 June 2016 14:53 CEST | Update | https://www.mdpi.com/2223-7747/5/3/29/xml |
| article pdf uploaded. | 30 June 2016 14:53 CEST | Version of Record | https://www.mdpi.com/2223-7747/5/3/29/pdf |
