| article html file updated | 20 July 2022 17:04 CEST | Update | https://www.mdpi.com/2306-5354/6/1/12 |
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| article html file updated | 25 January 2019 17:04 CET | Original file | - |
| article pdf uploaded. | 25 January 2019 17:02 CET | Version of Record | https://www.mdpi.com/2306-5354/6/1/12/pdf |
| article xml uploaded. | 25 January 2019 17:02 CET | Update | https://www.mdpi.com/2306-5354/6/1/12/xml |
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