| article html file updated | 8 February 2020 05:07 CET | Update | https://www.mdpi.com/2076-328X/7/2/29 |
| article html file updated | 24 September 2019 16:04 CEST | Update | - |
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| article html file updated | 5 May 2017 11:24 CEST | Original file | - |
| article xml uploaded. | 5 May 2017 11:23 CEST | Original file | https://www.mdpi.com/2076-328X/7/2/29/xml |
| article pdf uploaded. | 5 May 2017 11:23 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/2/29/pdf |