| article html file updated | 7 February 2020 15:16 CET | Update | https://www.mdpi.com/2304-8158/5/3/66 |
| article html file updated | 5 May 2019 03:36 CEST | Update | - |
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| article html file updated | 29 September 2016 11:59 CEST | Update | - |
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| article xml uploaded. | 21 September 2016 05:24 CEST | Original file | https://www.mdpi.com/2304-8158/5/3/66/xml |
| article pdf uploaded. | 21 September 2016 05:24 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/3/66/pdf |
