| article html file updated | 7 February 2020 14:31 CET | Update | https://www.mdpi.com/1424-8247/9/3/53 |
| article html file updated | 22 September 2019 00:25 CEST | Update | - |
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| article xml uploaded. | 6 September 2016 11:37 CEST | Original file | https://www.mdpi.com/1424-8247/9/3/53/xml |
| article pdf uploaded. | 6 September 2016 11:37 CEST | Version of Record | https://www.mdpi.com/1424-8247/9/3/53/pdf |
