| article html file updated | 6 February 2020 16:02 CET | Update | https://www.mdpi.com/2073-4441/7/2/833 |
| article html file updated | 20 September 2019 18:03 CEST | Update | N/A |
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| article xml file uploaded | 28 February 2015 03:12 CET | Original file | https://www.mdpi.com/2073-4441/7/2/833/xml |
| article pdf uploaded. | 16 February 2015 14:47 CET | Version of Record | https://www.mdpi.com/2073-4441/7/2/833/pdf |
