| article html file updated | 9 February 2020 03:19 CET | Update | https://www.mdpi.com/2076-3263/8/1/23 |
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| article xml uploaded. | 18 January 2018 07:53 CET | Update | https://www.mdpi.com/2076-3263/8/1/23/xml |
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| article pdf uploaded. | 18 January 2018 07:53 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/1/23/pdf |
| article html file updated | 16 January 2018 16:22 CET | Original file | - |
| article xml uploaded. | 16 January 2018 16:21 CET | Update | - |
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