| article html file updated | 8 February 2020 01:52 CET | Update | https://www.mdpi.com/1996-1073/10/3/405 |
| article html file updated | 23 September 2019 22:08 CEST | Update | N/A |
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| article html file updated | 21 March 2017 09:38 CET | Original file | N/A |
| article xml uploaded. | 21 March 2017 09:36 CET | Original file | https://www.mdpi.com/1996-1073/10/3/405/xml |
| article pdf uploaded. | 21 March 2017 09:36 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/405/pdf |