| article html file updated | 16 September 2021 08:52 CEST | Update | https://www.mdpi.com/2227-9067/4/7/58 |
| article html file updated | 8 February 2020 10:35 CET | Update | - |
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| article html file updated | 28 July 2017 11:10 CEST | Update | - |
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| article xml uploaded. | 19 July 2017 12:20 CEST | Update | https://www.mdpi.com/2227-9067/4/7/58/xml |
| article pdf uploaded. | 19 July 2017 12:20 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/7/58/pdf |
| article pdf uploaded. | 17 July 2017 13:33 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/7/58/pdf-vor |
| article html file updated | 17 July 2017 12:52 CEST | Update | - |
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| article pdf uploaded. | 17 July 2017 12:49 CEST | Updated version of record | https://www.mdpi.com/2227-9067/4/7/58/pdf-vor |
| article html file updated | 11 July 2017 12:58 CEST | Original file | - |
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| article pdf uploaded. | 10 July 2017 10:46 CEST | Version of Record | https://www.mdpi.com/2227-9067/4/7/58/pdf-vor |
