| article html file updated | 6 February 2020 22:29 CET | Update | https://www.mdpi.com/1424-8247/8/3/512 |
| article html file updated | 21 September 2019 02:58 CEST | Update | N/A |
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| article html file updated | 30 September 2015 08:31 CEST | Original file | N/A |
| article xml file uploaded | 30 September 2015 08:31 CEST | Original file | https://www.mdpi.com/1424-8247/8/3/512/xml |
| article pdf uploaded. | 7 September 2015 13:29 CEST | Version of Record | https://www.mdpi.com/1424-8247/8/3/512/pdf |
