| article html file updated | 7 February 2020 17:52 CET | Update | https://www.mdpi.com/2220-9964/5/11/212 |
| article html file updated | 4 May 2019 22:47 CEST | Update | N/A |
| article html file updated | 1 December 2016 23:31 CET | Update | N/A |
| article html file updated | 11 November 2016 10:33 CET | Original file | N/A |
| article xml uploaded. | 11 November 2016 10:31 CET | Update | https://www.mdpi.com/2220-9964/5/11/212/xml |
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| article pdf uploaded. | 11 November 2016 10:31 CET | Version of Record | https://www.mdpi.com/2220-9964/5/11/212/pdf |
