| article html file updated | 8 February 2020 02:47 CET | Update | https://www.mdpi.com/1996-1073/10/4/463 |
| article html file updated | 24 September 2019 03:20 CEST | Update | - |
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| article html file updated | 28 April 2017 06:03 CEST | Update | - |
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| article xml uploaded. | 2 April 2017 07:08 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/463/xml |
| article pdf uploaded. | 2 April 2017 07:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/463/pdf |
