| article html file updated | 8 February 2020 06:44 CET | Update | https://www.mdpi.com/2227-9059/5/2/26 |
| article html file updated | 25 September 2019 00:31 CEST | Update | - |
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| article xml uploaded. | 26 May 2017 06:22 CEST | Update | https://www.mdpi.com/2227-9059/5/2/26/xml |
| article pdf uploaded. | 26 May 2017 06:22 CEST | Updated version of record | https://www.mdpi.com/2227-9059/5/2/26/pdf |
| article html file updated | 25 May 2017 15:47 CEST | Update | - |
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| article html file updated | 25 May 2017 15:31 CEST | Original file | - |
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