| article html file updated | 15 August 2026 16:45 CEST | Update | https://www.mdpi.com/2227-9717/7/2/89 |
| article html file updated | 11 February 2020 15:18 CET | Update | N/A |
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| article html file updated | 26 February 2019 02:59 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 11:08 CET | Updated version of record | https://www.mdpi.com/2227-9717/7/2/89/pdf |
| article xml uploaded. | 25 February 2019 11:08 CET | Update | https://www.mdpi.com/2227-9717/7/2/89/xml |
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| article pdf uploaded. | 12 February 2019 12:22 CET | Version of Record | https://www.mdpi.com/2227-9717/7/2/89/pdf-vor |
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