| article html file updated | 7 February 2020 14:37 CET | Update | https://www.mdpi.com/1424-8247/9/3/54 |
| article html file updated | 5 May 2019 04:47 CEST | Update | - |
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| article xml uploaded. | 8 September 2016 03:35 CEST | Original file | https://www.mdpi.com/1424-8247/9/3/54/xml |
| article pdf uploaded. | 8 September 2016 03:35 CEST | Version of Record | https://www.mdpi.com/1424-8247/9/3/54/pdf |
