| article html file updated | 8 February 2020 05:44 CET | Update | https://www.mdpi.com/1996-1073/10/5/677 |
| article html file updated | 24 September 2019 19:16 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:18 CEST | Update | N/A |
| article html file updated | 27 May 2017 03:15 CEST | Update | N/A |
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| article html file updated | 12 May 2017 13:11 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 13:10 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/677/xml |
| article pdf uploaded. | 12 May 2017 13:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/677/pdf |
