| article html file updated | 8 February 2020 00:42 CET | Update | https://www.mdpi.com/1996-1073/10/3/297 |
| article html file updated | 23 September 2019 15:24 CEST | Update | - |
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| article html file updated | 28 March 2017 11:24 CEST | Update | - |
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| article xml uploaded. | 4 March 2017 12:14 CET | Original file | https://www.mdpi.com/1996-1073/10/3/297/xml |
| article pdf uploaded. | 4 March 2017 12:13 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/297/pdf |
